Web development quizzes

SQL can retrieve data from a database.
False
True

UNIQUE and NOT NULL are contraints.
False
True

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

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

You can have several PRIMARY KEY constraints per table.
False
True