When you ________,you ensure that data entered into a related table first exists in the primary table.
A) create a foreign key
B) create a primary key
C) filter by selection
D) enforce referential integrity

Question

Quizplus · Accepted Answer

Enforcing referential integrity means that data in a related table must reference data that already exists in the primary table, which can be achieved by creating a foreign key constraint. This helps to prevent inconsistencies and errors in the database. Creating a primary key only establishes a unique identifier for the primary table, filter by selection is not relevant to this task.

When You ________,You Ensure That Data Entered into a Related