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Quizzes de desarrollo web

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

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

There are different versions of the SQL language.

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;