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

Web development quizzes

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

This query is correct: SELECT * FROM employee WHERE age IN (20,21,22);

The DEFAULT constraint inserts a default value into a column.

A SELECT statement is a data definition language (DDL).

This query is correct: INSERT INTO table_name THIS (value1,value2,value3,...);