What will happen if you try to store duplicate data in a primary key column?
A) The column will be duplicated.
B) An error will occur.
C) The duplicate data will have concurrency issues.
D) The primary key column will not display the duplicate data.

Question

Quizplus · Accepted Answer

Primary keys enforce uniqueness within the table, meaning each row must have a unique value in the primary key column. Attempting to insert a duplicate value into a primary key column will result in an error, as it violates the constraint of uniqueness.

What Will Happen If You Try to Store Duplicate Data