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Quizzes de desarrollo web

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You can install MySQL with XAMPP.

This query is correct: SELECT column1 FROM table1 UNION SELECT column2 FROM table2;

The first version of MySQL appeared on 23 May 1981.

This query retrieves the first 3 rows: SELECT * FROM employee LIMIT 3;

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