$34$

Multiple Choice

$1$ point

Data integrity is enforced by the DBMS through the proper use of primary and foreign key rules.

False

True

Multiple Choice $1$ point

You cannot insert a row containing a null attribute value using SQL$.$

False

True

$6$

Multiple Choice

$1$ point

How many rows would be returned from a cross join of tables A and $B,$ if A contains $8$ rows and $B$ contains $18?$

$26$

$18$

$144$

$8$