Which of the following is not true about a relation?
A)Has rows containing data about an entity
B)Has columns containing data about attributes of the entity
C)Has cells that hold only a single value
D)Can have two identical rows

Question

Quizplus · Accepted Answer

A relation cannot have two identical rows, as each row represents a unique entity or instance of the entity. This is known as the primary key constraint in a relation.

Which of the Following Is Not True About a Relation