Web development quizzes

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

Indexes allow the database application to find data slowly.
False
True

This query is correct: SELECT * FROM employee WHERE EITHER age = 25 OR age = 30;
False
True

A VARCHAR can store up to 512 characters.
False
True

There are different versions of the SQL language.
False
True