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

Web development quizzes

Clock
Minutes
Seconds
SQL injection is a technique where malicious users inject SQL commands into an SQL statement, via website input.

This creates a database called database1: CREATE DATABASE database1;

The DEFAULT constraint inserts a default value into a column.

This statement adds a column: ALTER TABLE employee DROP COLUMN age.

LEFT JOIN returns all rows when there is at least one match in BOTH tables