A column whose value uniquely identifies a specific row in a table is known as the
A)foreign key.
B)index attribute.
C)identifier.
D)key attribute.
E)index field.

Question

Quizplus · Accepted Answer

A column whose value uniquely identifies a specific row in a table is called an identifier. It is often referred to as the primary key of the table. The other options are not accurate descriptions of a primary key. A foreign key is a column in one table that refers to the primary key of another table. An index attribute or index field is used to improve the performance of querying a large table. A key attribute is any attribute that is part of the primary key, not necessarily the identifier itself.

A Column Whose Value Uniquely Identifies a Specific Row in a Table