Development with PHP and Java. Graphic design with GIMP and Inkscape.

Web development quizzes

Querying directly from a table takes more time than querying from a view.

A NOT NULL constraint can accept NULL values.

AVG() returns the average of a numeric column.

The first version of MySQL appeared on 23 May 1981.

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