Question

The join operation can be defined as

A a cartesian product of two relations followed by a selection Correct Answer Incorrect Answer
B a cartesian product of two relations Correct Answer Incorrect Answer
C a union of two relations followed by cartesian product of the two relations Correct Answer Incorrect Answer
D a union of two relations Correct Answer Incorrect Answer

Solution

a cartesian product of two relations followed by a selection

Practice Next

Relevant for Exams:

×
×