Python SQLite Programs with Solutions
20 Python sqlite3 programs with solutions: create tables, insert, select, update, delete, joins, group by, transactions and CSV export, each explained.
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1,137 articles · page 1 of 95 · Clear filtersQuery into pandas
Write a Python program to load a query result into a pandas DataFrame. Step-by-step explanation, colour-coded code and real output.
Why parameters prevent SQL injection
Write a Python program that shows how an f-string query is unsafe and a parameter is safe. Step-by-step explanation, colour-coded code and real output.
Export a table to CSV
Write a Python program to export a table to a CSV file. Step-by-step explanation, colour-coded code and real output.
Top N rows
Write a Python program to get the top 3 scores. Step-by-step explanation, colour-coded code and real output.
Search with LIKE
Write a Python program to find products whose name contains a word. Step-by-step explanation, colour-coded code and real output.
Column names of a query
Write a Python program to print the column names of a query result. Step-by-step explanation, colour-coded code and real output.
Use a database file
Write a Python program that saves data to a .db file and reads it back with a new connection. Step-by-step explanation, colour-coded code and real output.
Transaction with rollback
Write a Python program that transfers money between accounts and rolls back on error. Step-by-step explanation, colour-coded code and real output.
Customers without orders
Write a Python program to find customers who have not placed any order. Step-by-step explanation, colour-coded code and real output.
Join two tables
Write a Python program to list each order with the customer's name. Step-by-step explanation, colour-coded code and real output.
Group by
Write a Python program to count employees and average salary per department. Step-by-step explanation, colour-coded code and real output.
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