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)has no two identical rows
E)All of the above.

Question

Quizplus · Accepted Answer

All of the choices are correct statements about relations in database management systems. A relation represents a table consisting of rows (also referred to as tuples) containing data about an entity, columns containing data about attributes of the entity, and cells holding only a single value. The primary key of a relation ensures that there are no two identical rows in the table.

A Relation ________