Windows. Linux. Wordpress. Joomla. GIMP. Inkscape. Kdenlive. Hardware. Redes.

Quizzes de desarrollo web

Michael Widenius was one of the founders of MySQL.

UNIQUE and NOT NULL are contraints.

A primary key column can contain NULL values.

The HAVING statement must be used along with the GROUP BY statement.

This query retrieves the employees whose names end with h: SELECT * FROM employees WHERE name LIKE 'h%';