Computing. Programming. Web development. Graphic design. Networking.

Web development quizzes

The DEFAULT constraint inserts a default value into a column.

This query is correct: SELECT * FROM employee WHERE age BETWEEN 20 AND 25;

NULL is exactly the same as empty string.

This query returns all the columns from the table Employee: SELECT + FROM Employee

This query retrieves the first 3 rows: SELECT * FROM employee LIMIT 3;