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values | problem_id stringlengths 10 10 | problem_title stringlengths 23 30 | problem_statement stringlengths 61 68 | input_format stringclasses 1
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SQL | Data Analysis | SQL-DA-001 | Data Analysis Problem 1 | Write an SQL query to solve a data analysis task (Problem 1). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 1
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-002 | Data Analysis Problem 2 | Write an SQL query to solve a data analysis task (Problem 2). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 2
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-003 | Data Analysis Problem 3 | Write an SQL query to solve a data analysis task (Problem 3). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 3
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-004 | Data Analysis Problem 4 | Write an SQL query to solve a data analysis task (Problem 4). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 4
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-005 | Data Analysis Problem 5 | Write an SQL query to solve a data analysis task (Problem 5). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 5
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-006 | Data Analysis Problem 6 | Write an SQL query to solve a data analysis task (Problem 6). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 6
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-007 | Data Analysis Problem 7 | Write an SQL query to solve a data analysis task (Problem 7). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 7
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-008 | Data Analysis Problem 8 | Write an SQL query to solve a data analysis task (Problem 8). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 8
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-009 | Data Analysis Problem 9 | Write an SQL query to solve a data analysis task (Problem 9). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 9
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-010 | Data Analysis Problem 10 | Write an SQL query to solve a data analysis task (Problem 10). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 10
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-011 | Data Analysis Problem 11 | Write an SQL query to solve a data analysis task (Problem 11). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 11
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-012 | Data Analysis Problem 12 | Write an SQL query to solve a data analysis task (Problem 12). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 12
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-013 | Data Analysis Problem 13 | Write an SQL query to solve a data analysis task (Problem 13). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 13
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-014 | Data Analysis Problem 14 | Write an SQL query to solve a data analysis task (Problem 14). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 14
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-015 | Data Analysis Problem 15 | Write an SQL query to solve a data analysis task (Problem 15). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 15
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-016 | Data Analysis Problem 16 | Write an SQL query to solve a data analysis task (Problem 16). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 16
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-017 | Data Analysis Problem 17 | Write an SQL query to solve a data analysis task (Problem 17). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 17
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-018 | Data Analysis Problem 18 | Write an SQL query to solve a data analysis task (Problem 18). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 18
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-019 | Data Analysis Problem 19 | Write an SQL query to solve a data analysis task (Problem 19). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 19
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-020 | Data Analysis Problem 20 | Write an SQL query to solve a data analysis task (Problem 20). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 20
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-021 | Data Analysis Problem 21 | Write an SQL query to solve a data analysis task (Problem 21). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 21
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-022 | Data Analysis Problem 22 | Write an SQL query to solve a data analysis task (Problem 22). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 22
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-023 | Data Analysis Problem 23 | Write an SQL query to solve a data analysis task (Problem 23). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 23
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-024 | Data Analysis Problem 24 | Write an SQL query to solve a data analysis task (Problem 24). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 24
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-025 | Data Analysis Problem 25 | Write an SQL query to solve a data analysis task (Problem 25). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 25
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-026 | Data Analysis Problem 26 | Write an SQL query to solve a data analysis task (Problem 26). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 26
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-027 | Data Analysis Problem 27 | Write an SQL query to solve a data analysis task (Problem 27). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 27
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-028 | Data Analysis Problem 28 | Write an SQL query to solve a data analysis task (Problem 28). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 28
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-029 | Data Analysis Problem 29 | Write an SQL query to solve a data analysis task (Problem 29). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 29
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-030 | Data Analysis Problem 30 | Write an SQL query to solve a data analysis task (Problem 30). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 30
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-031 | Data Analysis Problem 31 | Write an SQL query to solve a data analysis task (Problem 31). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 31
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-032 | Data Analysis Problem 32 | Write an SQL query to solve a data analysis task (Problem 32). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 32
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-033 | Data Analysis Problem 33 | Write an SQL query to solve a data analysis task (Problem 33). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 33
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-034 | Data Analysis Problem 34 | Write an SQL query to solve a data analysis task (Problem 34). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 34
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-035 | Data Analysis Problem 35 | Write an SQL query to solve a data analysis task (Problem 35). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 35
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-036 | Data Analysis Problem 36 | Write an SQL query to solve a data analysis task (Problem 36). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 36
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-037 | Data Analysis Problem 37 | Write an SQL query to solve a data analysis task (Problem 37). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 37
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-038 | Data Analysis Problem 38 | Write an SQL query to solve a data analysis task (Problem 38). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 38
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-039 | Data Analysis Problem 39 | Write an SQL query to solve a data analysis task (Problem 39). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 39
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-040 | Data Analysis Problem 40 | Write an SQL query to solve a data analysis task (Problem 40). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 40
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-041 | Data Analysis Problem 41 | Write an SQL query to solve a data analysis task (Problem 41). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 41
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-042 | Data Analysis Problem 42 | Write an SQL query to solve a data analysis task (Problem 42). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 42
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-043 | Data Analysis Problem 43 | Write an SQL query to solve a data analysis task (Problem 43). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 43
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-044 | Data Analysis Problem 44 | Write an SQL query to solve a data analysis task (Problem 44). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 44
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-045 | Data Analysis Problem 45 | Write an SQL query to solve a data analysis task (Problem 45). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 45
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-046 | Data Analysis Problem 46 | Write an SQL query to solve a data analysis task (Problem 46). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 46
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-047 | Data Analysis Problem 47 | Write an SQL query to solve a data analysis task (Problem 47). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 47
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-048 | Data Analysis Problem 48 | Write an SQL query to solve a data analysis task (Problem 48). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 48
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-049 | Data Analysis Problem 49 | Write an SQL query to solve a data analysis task (Problem 49). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 49
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-050 | Data Analysis Problem 50 | Write an SQL query to solve a data analysis task (Problem 50). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 50
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-051 | Data Analysis Problem 51 | Write an SQL query to solve a data analysis task (Problem 51). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 51
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-052 | Data Analysis Problem 52 | Write an SQL query to solve a data analysis task (Problem 52). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 52
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-053 | Data Analysis Problem 53 | Write an SQL query to solve a data analysis task (Problem 53). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 53
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-054 | Data Analysis Problem 54 | Write an SQL query to solve a data analysis task (Problem 54). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 54
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-055 | Data Analysis Problem 55 | Write an SQL query to solve a data analysis task (Problem 55). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 55
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-056 | Data Analysis Problem 56 | Write an SQL query to solve a data analysis task (Problem 56). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 56
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-057 | Data Analysis Problem 57 | Write an SQL query to solve a data analysis task (Problem 57). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 57
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-058 | Data Analysis Problem 58 | Write an SQL query to solve a data analysis task (Problem 58). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 58
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-059 | Data Analysis Problem 59 | Write an SQL query to solve a data analysis task (Problem 59). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 59
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-060 | Data Analysis Problem 60 | Write an SQL query to solve a data analysis task (Problem 60). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 60
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-061 | Data Analysis Problem 61 | Write an SQL query to solve a data analysis task (Problem 61). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 61
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-062 | Data Analysis Problem 62 | Write an SQL query to solve a data analysis task (Problem 62). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 62
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-063 | Data Analysis Problem 63 | Write an SQL query to solve a data analysis task (Problem 63). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 63
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-064 | Data Analysis Problem 64 | Write an SQL query to solve a data analysis task (Problem 64). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 64
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-065 | Data Analysis Problem 65 | Write an SQL query to solve a data analysis task (Problem 65). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 65
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-066 | Data Analysis Problem 66 | Write an SQL query to solve a data analysis task (Problem 66). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 66
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-067 | Data Analysis Problem 67 | Write an SQL query to solve a data analysis task (Problem 67). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 67
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-068 | Data Analysis Problem 68 | Write an SQL query to solve a data analysis task (Problem 68). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 68
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-069 | Data Analysis Problem 69 | Write an SQL query to solve a data analysis task (Problem 69). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 69
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-070 | Data Analysis Problem 70 | Write an SQL query to solve a data analysis task (Problem 70). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 70
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-071 | Data Analysis Problem 71 | Write an SQL query to solve a data analysis task (Problem 71). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 71
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-072 | Data Analysis Problem 72 | Write an SQL query to solve a data analysis task (Problem 72). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 72
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-073 | Data Analysis Problem 73 | Write an SQL query to solve a data analysis task (Problem 73). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 73
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-074 | Data Analysis Problem 74 | Write an SQL query to solve a data analysis task (Problem 74). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 74
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-075 | Data Analysis Problem 75 | Write an SQL query to solve a data analysis task (Problem 75). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 75
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-076 | Data Analysis Problem 76 | Write an SQL query to solve a data analysis task (Problem 76). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 76
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-077 | Data Analysis Problem 77 | Write an SQL query to solve a data analysis task (Problem 77). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 77
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-078 | Data Analysis Problem 78 | Write an SQL query to solve a data analysis task (Problem 78). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 78
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-079 | Data Analysis Problem 79 | Write an SQL query to solve a data analysis task (Problem 79). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 79
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-080 | Data Analysis Problem 80 | Write an SQL query to solve a data analysis task (Problem 80). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 80
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-081 | Data Analysis Problem 81 | Write an SQL query to solve a data analysis task (Problem 81). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 81
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-082 | Data Analysis Problem 82 | Write an SQL query to solve a data analysis task (Problem 82). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 82
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-083 | Data Analysis Problem 83 | Write an SQL query to solve a data analysis task (Problem 83). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 83
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-084 | Data Analysis Problem 84 | Write an SQL query to solve a data analysis task (Problem 84). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 84
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-085 | Data Analysis Problem 85 | Write an SQL query to solve a data analysis task (Problem 85). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 85
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-086 | Data Analysis Problem 86 | Write an SQL query to solve a data analysis task (Problem 86). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 86
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-087 | Data Analysis Problem 87 | Write an SQL query to solve a data analysis task (Problem 87). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 87
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-088 | Data Analysis Problem 88 | Write an SQL query to solve a data analysis task (Problem 88). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 88
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-089 | Data Analysis Problem 89 | Write an SQL query to solve a data analysis task (Problem 89). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 89
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-090 | Data Analysis Problem 90 | Write an SQL query to solve a data analysis task (Problem 90). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 90
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-091 | Data Analysis Problem 91 | Write an SQL query to solve a data analysis task (Problem 91). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 91
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-092 | Data Analysis Problem 92 | Write an SQL query to solve a data analysis task (Problem 92). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 92
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-093 | Data Analysis Problem 93 | Write an SQL query to solve a data analysis task (Problem 93). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 93
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-094 | Data Analysis Problem 94 | Write an SQL query to solve a data analysis task (Problem 94). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 94
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
SQL | Data Analysis | SQL-DA-095 | Data Analysis Problem 95 | Write an SQL query to solve a data analysis task (Problem 95). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 95
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Beginner | 15-30 min |
SQL | Data Analysis | SQL-DA-096 | Data Analysis Problem 96 | Write an SQL query to solve a data analysis task (Problem 96). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 96
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-097 | Data Analysis Problem 97 | Write an SQL query to solve a data analysis task (Problem 97). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 97
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-098 | Data Analysis Problem 98 | Write an SQL query to solve a data analysis task (Problem 98). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 98
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-099 | Data Analysis Problem 99 | Write an SQL query to solve a data analysis task (Problem 99). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 99
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Advanced | 45-60 min |
SQL | Data Analysis | SQL-DA-100 | Data Analysis Problem 100 | Write an SQL query to solve a data analysis task (Problem 100). | Relevant tables with proper columns. | Expected result as a table or value. | [
{
"input": "Sample table data",
"output": "Expected query result"
},
{
"input": "Another sample",
"output": "Expected result"
}
] | -- SQL solution for Data Analysis Problem 100
SELECT * FROM example_table WHERE condition; | [
"Consider the data analysis requirements",
"Use proper SQL clauses",
"Test edge cases"
] | [
{
"error_type": "Logic",
"explanation": "Check your WHERE and JOIN conditions",
"student_code": "-- wrong query"
}
] | [
"Practice more SQL queries",
"Review SQL functions",
"Test on sample datasets"
] | Intermediate | 30-45 min |
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