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

Quizzes de desarrollo web

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A CREATE TABLE statement is a data definition language (DDL).

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

MySQL is (as of March 2014) the world's second most widely used open-source RDBMS.

This query copies data from table2 to table1: INSERT INTO table2 SELECT * FROM table1;

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