Informática. Programación. Desarrollo web. Diseño gráfico. Redes.

Quizzes de desarrollo web

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

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

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

SQL can retrieve data from a database.

There are different versions of the SQL language.