Question

1- Enforce Referential Integrity prevents you from entering a value in the
field if a corresponding value does not exist in the Primary key field.​

Answer 1

Explanation:

When you create a relationship between two tables, it is usually a good idea to enforce . ... Referential integrity ensures that you don't accidentally change or delete related data in one table but not in the other. For example, say you were using two related Social Security fields to link two tables.