Web development quizzes

This query is correct: INSERT INTO table_name THIS (value1,value2,value3,...);
False
True

LEFT JOIN returns all rows when there is at least one match in BOTH tables
False
True

The HAVING statement must be used along with the GROUP BY statement.
False
True

A primary key column can contain NULL values.
False
True

This query returns all the columns from the table Employee: SELECT + FROM Employee
False
True