Primary keys ensure that ____.
A) all of the data is 100 percent accurate
B) duplicate records are not stored in the database
C) the data can be normalized
D) records are not accidentally deleted

Question

Quizplus · Accepted Answer

Primary keys ensure that duplicate records are not stored in the database. They uniquely identify each record in a table and prevent the insertion of duplicate data. However, they do not guarantee that all of the data is 100 percent accurate, ensure normalization, or prevent accidental deletion of records.

Primary Keys Ensure That ____