Computing. Programming. Web development. Graphic design. Networking.

Web development quizzes

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

AVG() returns the average of a numeric column.

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

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

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