Informàtica. Programació. Desenvolupament web. Disseny gràfic. Xarxes.

Quizzes de desenvolupament web

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We can define aliases like this: SELECT age ALIAS myage FROM employee;

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

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

This query is correct: ERASE FROM table_name WHERE column1=value1;

A primary key column can contain NULL values.