instructions stringlengths 16 224 | input stringlengths 114 4.5k | output stringlengths 18 557 |
|---|---|---|
What are the numbers of the shortest flights? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT TOP 3 flno FROM Flight ORDER BY CASE WHEN distance IS NULL THEN 1 ELSE 0 END, distance ASC |
What is the average distance and average price for flights from Los Angeles. | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT AVG(distance), AVG(price) FROM Flight WHERE origin = [Los Angeles] |
What is the average distance and price for all flights from LA? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT AVG(distance), AVG(price) FROM Flight WHERE origin = [Los Angeles] |
Show all origins and the number of flights from each origin. | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT origin, COUNT_BIG(*) FROM Flight GROUP BY origin |
For each origin, how many flights came from there? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT origin, COUNT_BIG(*) FROM Flight GROUP BY origin |
Show all destinations and the number of flights to each destination. | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT destination, COUNT_BIG(*) FROM Flight GROUP BY destination |
What are the destinations and number of flights to each one? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT destination, COUNT_BIG(*) FROM Flight GROUP BY destination |
Which origin has most number of flights? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT TOP 1 origin FROM Flight GROUP BY origin ORDER BY CASE WHEN COUNT_BIG(*) IS NULL THEN 1 ELSE 0 END DESC, COUNT_BIG(*) DESC |
What place has the most flights coming from there? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT TOP 1 origin FROM Flight GROUP BY origin ORDER BY CASE WHEN COUNT_BIG(*) IS NULL THEN 1 ELSE 0 END DESC, COUNT_BIG(*) DESC |
Which destination has least number of flights? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT TOP 1 destination FROM Flight GROUP BY destination ORDER BY CASE WHEN COUNT_BIG(*) IS NULL THEN 1 ELSE 0 END, COUNT_BIG(*) |
What destination has the fewest number of flights? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT TOP 1 destination FROM Flight GROUP BY destination ORDER BY CASE WHEN COUNT_BIG(*) IS NULL THEN 1 ELSE 0 END, COUNT_BIG(*) |
What is the aircraft name for the flight with number 99 | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT T2.name FROM Flight AS T1 JOIN Aircraft AS T2 ON T1.aid = T2.aid WHERE T1.flno = 99 |
What is the name of the aircraft that was on flight number 99? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT T2.name FROM Flight AS T1 JOIN Aircraft AS T2 ON T1.aid = T2.aid WHERE T1.flno = 99 |
Show all flight numbers with aircraft Airbus A340-300. | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT T1.flno FROM Flight AS T1 JOIN Aircraft AS T2 ON T1.aid = T2.aid WHERE T2.name = [Airbus A340-300] |
What are the flight numbers for the aircraft Airbus A340-300? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT T1.flno FROM Flight AS T1 JOIN Aircraft AS T2 ON T1.aid = T2.aid WHERE T2.name = [Airbus A340-300] |
Show aircraft names and number of flights for each aircraft. | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT T2.name, COUNT_BIG(*) FROM Flight AS T1 JOIN Aircraft AS T2 ON T1.aid = T2.aid GROUP BY T1.aid |
What is the name of each aircraft and how many flights does each one complete? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT T2.name, COUNT_BIG(*) FROM Flight AS T1 JOIN Aircraft AS T2 ON T1.aid = T2.aid GROUP BY T1.aid |
Show names for all aircraft with at least two flights. | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT T2.name FROM Flight AS T1 JOIN Aircraft AS T2 ON T1.aid = T2.aid GROUP BY T1.aid HAVING COUNT_BIG(*) >= 2 |
What are the names for all aircrafts with at least 2 flights? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT T2.name FROM Flight AS T1 JOIN Aircraft AS T2 ON T1.aid = T2.aid GROUP BY T1.aid HAVING COUNT_BIG(*) >= 2 |
How many employees have certificate. | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT COUNT_BIG(DISTINCT eid) FROM Certificate |
What is the count of distinct employees with certificates? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT COUNT_BIG(DISTINCT eid) FROM Certificate |
Show ids for all employees who don't have a certificate. | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT eid FROM Employee EXCEPT SELECT eid FROM Certificate |
What are the ids of all employees that don't have certificates? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT eid FROM Employee EXCEPT SELECT eid FROM Certificate |
Show names for all aircrafts of which John Williams has certificates. | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT T3.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T1.name = [John Williams] |
What are the names of all aircrafts that John Williams have certificates to be able to fly? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT T3.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T1.name = [John Williams] |
Show names for all employees who have certificate of Boeing 737-800. | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.name = [Boeing 737-800] |
What are the names of all employees who have a certificate to fly Boeing 737-800? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.name = [Boeing 737-800] |
Show names for all employees who have certificates on both Boeing 737-800 and Airbus A340-300. | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.name = [Boeing 737-800] INTERSECT SELECT T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.name = [Airbus A340-300] |
What are the names of all employees who can fly both the Boeing 737-800 and the Airbus A340-300? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.name = [Boeing 737-800] INTERSECT SELECT T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.name = [Airbus A340-300] |
Show names for all employees who do not have certificate of Boeing 737-800. | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT name FROM Employee EXCEPT SELECT T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.name = [Boeing 737-800] |
What are the names of all employees who are not certified to fly Boeing 737-800s? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT name FROM Employee EXCEPT SELECT T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.name = [Boeing 737-800] |
Show the name of aircraft which fewest people have its certificate. | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT TOP 1 T2.name FROM Certificate AS T1 JOIN Aircraft AS T2 ON T2.aid = T1.aid GROUP BY T1.aid ORDER BY CASE WHEN COUNT_BIG(*) IS NULL THEN 1 ELSE 0 END DESC, COUNT_BIG(*) DESC |
What are the names of the aircraft that the least people are certified to fly? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT TOP 1 T2.name FROM Certificate AS T1 JOIN Aircraft AS T2 ON T2.aid = T1.aid GROUP BY T1.aid ORDER BY CASE WHEN COUNT_BIG(*) IS NULL THEN 1 ELSE 0 END DESC, COUNT_BIG(*) DESC |
Show the name and distance of the aircrafts with more than 5000 distance and which at least 5 people have its certificate. | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT T2.name FROM Certificate AS T1 JOIN Aircraft AS T2 ON T2.aid = T1.aid WHERE T2.distance > 5000 GROUP BY T1.aid ORDER BY CASE WHEN COUNT_BIG(*) >= 5 IS NULL THEN 1 ELSE 0 END, COUNT_BIG(*) >= 5 |
What is the name and distance of every aircraft that can cover a distance of more than 5000 and which at least 5 people can fly? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT T2.name FROM Certificate AS T1 JOIN Aircraft AS T2 ON T2.aid = T1.aid WHERE T2.distance > 5000 GROUP BY T1.aid ORDER BY CASE WHEN COUNT_BIG(*) >= 5 IS NULL THEN 1 ELSE 0 END, COUNT_BIG(*) >= 5 |
what is the salary and name of the employee who has the most number of aircraft certificates? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT TOP 1 T1.name, T1.salary FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid GROUP BY T1.eid ORDER BY CASE WHEN COUNT_BIG(*) IS NULL THEN 1 ELSE 0 END DESC, COUNT_BIG(*) DESC |
What is the salaray and name of the employee that is certified to fly the most planes? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT TOP 1 T1.name, T1.salary FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid GROUP BY T1.eid ORDER BY CASE WHEN COUNT_BIG(*) IS NULL THEN 1 ELSE 0 END DESC, COUNT_BIG(*) DESC |
What is the salary and name of the employee who has the most number of certificates on aircrafts with distance more than 5000? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT TOP 1 T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.distance > 5000 GROUP BY T1.eid ORDER BY CASE WHEN COUNT_BIG(*) IS NULL THEN 1 ELSE 0 END DESC, COUNT_BIG(*) DESC |
What is the salaray and name of the employee with the most certificates to fly planes more than 5000? | -- Tables de la base de données (T-SQL) --
TABLE [flight] (
[flight number] INT,
[origin] NVARCHAR(MAX),
[destination] NVARCHAR(MAX),
[distance] INT,
[departure date] NVARCHAR(MAX),
[arrival date] NVARCHAR(MAX),
[price] INT,
[airline id] INT
);
TABLE [aircraft] (
[airline id] INT,
... | SELECT TOP 1 T1.name FROM Employee AS T1 JOIN Certificate AS T2 ON T1.eid = T2.eid JOIN Aircraft AS T3 ON T3.aid = T2.aid WHERE T3.distance > 5000 GROUP BY T1.eid ORDER BY CASE WHEN COUNT_BIG(*) IS NULL THEN 1 ELSE 0 END DESC, COUNT_BIG(*) DESC |
How many allergies are there? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : How many allergies are there? | SELECT COUNT_BIG(DISTINCT allergy) FROM Allergy_type |
How many allergy entries are there? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : How many allergy entries are there? | SELECT COUNT_BIG(DISTINCT allergy) FROM Allergy_type |
How many different allergy types exist? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : How many different allergy types exist? | SELECT COUNT_BIG(DISTINCT allergytype) FROM Allergy_type |
How many distinct allergies are there? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : How many distinct allergies are there? | SELECT COUNT_BIG(DISTINCT allergytype) FROM Allergy_type |
Show all allergy types. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Show all allergy types. | SELECT DISTINCT allergytype FROM Allergy_type |
What are the different allergy types? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What are the different allergy types? | SELECT DISTINCT allergytype FROM Allergy_type |
Show all allergies and their types. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Show all allergies and their types. | SELECT allergy, allergytype FROM Allergy_type |
What are the allergies and their types? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What are the allergies and their types? | SELECT allergy, allergytype FROM Allergy_type |
Show all allergies with type food. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Show all allergies with type food. | SELECT DISTINCT allergy FROM Allergy_type WHERE allergytype = [food] |
What are all the different food allergies? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What are all the different food allergies? | SELECT DISTINCT allergy FROM Allergy_type WHERE allergytype = [food] |
What is the type of allergy Cat? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What is the type of allergy Cat? | SELECT allergytype FROM Allergy_type WHERE allergy = [Cat] |
What is allergy type of a cat allergy? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What is allergy type of a cat allergy? | SELECT allergytype FROM Allergy_type WHERE allergy = [Cat] |
How many allergies have type animal? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : How many allergies have type animal? | SELECT COUNT_BIG(*) FROM Allergy_type WHERE allergytype = [animal] |
How many animal type allergies exist? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : How many animal type allergies exist? | SELECT COUNT_BIG(*) FROM Allergy_type WHERE allergytype = [animal] |
Show all allergy types and the number of allergies in each type. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Show all allergy types and the number of allergies in each... | SELECT allergytype, COUNT_BIG(*) FROM Allergy_type GROUP BY allergytype |
What are the allergy types and how many allergies correspond to each one? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What are the allergy types and how many allergies correspo... | SELECT allergytype, COUNT_BIG(*) FROM Allergy_type GROUP BY allergytype |
Which allergy type has most number of allergies? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Which allergy type has most number of allergies? | SELECT TOP 1 allergytype FROM Allergy_type GROUP BY allergytype ORDER BY CASE WHEN COUNT_BIG(*) IS NULL THEN 1 ELSE 0 END DESC, COUNT_BIG(*) DESC |
Which allergy type is most common? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Which allergy type is most common? | SELECT TOP 1 allergytype FROM Allergy_type GROUP BY allergytype ORDER BY CASE WHEN COUNT_BIG(*) IS NULL THEN 1 ELSE 0 END DESC, COUNT_BIG(*) DESC |
Which allergy type has least number of allergies? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Which allergy type has least number of allergies? | SELECT TOP 1 allergytype FROM Allergy_type GROUP BY allergytype ORDER BY CASE WHEN COUNT_BIG(*) IS NULL THEN 1 ELSE 0 END, COUNT_BIG(*) ASC |
Which allergy type is the least common? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Which allergy type is the least common? | SELECT TOP 1 allergytype FROM Allergy_type GROUP BY allergytype ORDER BY CASE WHEN COUNT_BIG(*) IS NULL THEN 1 ELSE 0 END, COUNT_BIG(*) ASC |
How many students are there? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : How many students are there? | SELECT COUNT_BIG(*) FROM Student |
What is the total number of students? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What is the total number of students? | SELECT COUNT_BIG(*) FROM Student |
Show first name and last name for all students. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Show first name and last name for all students. | SELECT Fname, Lname FROM Student |
What are the full names of all students | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What are the full names of all students | SELECT Fname, Lname FROM Student |
How many different advisors are listed? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : How many different advisors are listed? | SELECT COUNT_BIG(DISTINCT advisor) FROM Student |
How many advisors are there? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : How many advisors are there? | SELECT COUNT_BIG(DISTINCT advisor) FROM Student |
Show all majors. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Show all majors. | SELECT DISTINCT Major FROM Student |
What are the different majors? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What are the different majors? | SELECT DISTINCT Major FROM Student |
Show all cities where students live. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Show all cities where students live. | SELECT DISTINCT city_code FROM Student |
What cities do students live in? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What cities do students live in? | SELECT DISTINCT city_code FROM Student |
Show first name, last name, age for all female students. Their sex is F. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Show first name, last name, age for all female students. T... | SELECT Fname, Lname, Age FROM Student WHERE Sex = 'F' |
What are the full names and ages for all female students whose sex is F? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What are the full names and ages for all female students w... | SELECT Fname, Lname, Age FROM Student WHERE Sex = 'F' |
Show student ids for all male students. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Show student ids for all male students. | SELECT StuID FROM Student WHERE Sex = 'M' |
What are the student ids for all male students? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What are the student ids for all male students? | SELECT StuID FROM Student WHERE Sex = 'M' |
How many students are age 18? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : How many students are age 18? | SELECT COUNT_BIG(*) FROM Student WHERE age = 18 |
How many students are 18 years old? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : How many students are 18 years old? | SELECT COUNT_BIG(*) FROM Student WHERE age = 18 |
Show all student ids who are older than 20. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Show all student ids who are older than 20. | SELECT StuID FROM Student WHERE age > 20 |
What are the student ids for students over 20 years old? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What are the student ids for students over 20 years old? | SELECT StuID FROM Student WHERE age > 20 |
Which city does the student whose last name is "Kim" live in? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Which city does the student whose last name is "Kim" live ... | SELECT city_code FROM Student WHERE LName = [Kim] |
Give the city that the student whose family name is Kim lives in. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Give the city that the student whose family name is Kim li... | SELECT city_code FROM Student WHERE LName = [Kim] |
Who is the advisor of student with ID 1004? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Who is the advisor of student with ID 1004? | SELECT Advisor FROM Student WHERE StuID = 1004 |
Who advises student 1004? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Who advises student 1004? | SELECT Advisor FROM Student WHERE StuID = 1004 |
How many students live in HKG or CHI? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : How many students live in HKG or CHI? | SELECT COUNT_BIG(*) FROM Student WHERE city_code = [HKG] OR city_code = [CHI] |
Give the number of students living in either HKG or CHI. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Give the number of students living in either HKG or CHI. | SELECT COUNT_BIG(*) FROM Student WHERE city_code = [HKG] OR city_code = [CHI] |
Show the minimum, average, and maximum age of all students. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Show the minimum, average, and maximum age of all students... | SELECT MIN(age), AVG(age), MAX(age) FROM Student |
What is the minimum, mean, and maximum age across all students? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What is the minimum, mean, and maximum age across all stud... | SELECT MIN(age), AVG(age), MAX(age) FROM Student |
What is the last name of the youngest student? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What is the last name of the youngest student? | SELECT LName FROM Student WHERE age = (SELECT MIN(age) FROM Student) |
Provide the last name of the youngest student. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Provide the last name of the youngest student. | SELECT LName FROM Student WHERE age = (SELECT MIN(age) FROM Student) |
Show the student id of the oldest student. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Show the student id of the oldest student. | SELECT StuID FROM Student WHERE age = (SELECT MAX(age) FROM Student) |
What student id corresponds to the oldest student? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What student id corresponds to the oldest student? | SELECT StuID FROM Student WHERE age = (SELECT MAX(age) FROM Student) |
Show all majors and corresponding number of students. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Show all majors and corresponding number of students. | SELECT major, COUNT_BIG(*) FROM Student GROUP BY major |
How many students are there for each major? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : How many students are there for each major? | SELECT major, COUNT_BIG(*) FROM Student GROUP BY major |
Which major has most number of students? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Which major has most number of students? | SELECT TOP 1 major FROM Student GROUP BY major ORDER BY CASE WHEN COUNT_BIG(*) IS NULL THEN 1 ELSE 0 END DESC, COUNT_BIG(*) DESC |
What is the largest major? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What is the largest major? | SELECT TOP 1 major FROM Student GROUP BY major ORDER BY CASE WHEN COUNT_BIG(*) IS NULL THEN 1 ELSE 0 END DESC, COUNT_BIG(*) DESC |
Show all ages and corresponding number of students. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Show all ages and corresponding number of students. | SELECT age, COUNT_BIG(*) FROM Student GROUP BY age |
How old is each student and how many students are each age? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : How old is each student and how many students are each age... | SELECT age, COUNT_BIG(*) FROM Student GROUP BY age |
Show the average age for male and female students. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Show the average age for male and female students. | SELECT AVG(age), sex FROM Student GROUP BY sex |
What are the average ages for male and female students? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : What are the average ages for male and female students? | SELECT AVG(age), sex FROM Student GROUP BY sex |
Show all cities and corresponding number of students. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Show all cities and corresponding number of students. | SELECT city_code, COUNT_BIG(*) FROM Student GROUP BY city_code |
How many students live in each city? | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : How many students live in each city? | SELECT city_code, COUNT_BIG(*) FROM Student GROUP BY city_code |
Show all advisors and corresponding number of students. | -- Tables de la base de données (T-SQL) --
TABLE [student] (
[stuid] INT,
[last name] NVARCHAR(MAX),
[first name] NVARCHAR(MAX),
[age] INT,
[sex] NVARCHAR(MAX),
[major] INT,
[advisor] INT,
[city code] NVARCHAR(MAX)
);
Question : Show all advisors and corresponding number of students. | SELECT advisor, COUNT_BIG(*) FROM Student GROUP BY advisor |
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