Web development quizzes

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

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

A SELECT statement is a data definition language (DDL).
False
True

The DEFAULT constraint inserts a default value into a column.
False
True

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