import streamlit as st
import sqlite3

st.title("Task 4: Update Data")

db_name = st.text_input("Enter database name:", "example.db")
update_query = st.text_area("Enter SQL update query (e.g., UPDATE students SET name='Jane Doe' WHERE id=1):")

if st.button("Update Data"):
    try:
        conn = sqlite3.connect(db_name)
        cursor = conn.cursor()
        cursor.execute(update_query)
        conn.commit()
        st.success("Data updated successfully!")
    except Exception as e:
        st.error(f"Error: {e}")
    finally:
        conn.close()