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

Quizzes de desenvolupament web

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SQL can retrieve data from a database.

This query is correct: SELECT * FROM employee ON age = 25;

The UPDATE statement is a data manipulation language (DML).

A primary key column can contain NULL values.

RDBMS stands for "Reunified Database Management System".