Multiple choice

Which of the following constraints in Oracle allows an entity to represent a table, and each row of the table represents an instance of that entity?

  1. Check constraint

  2. Integrity constraint

  3. Entity integrity constraint

  4. Unique constraint

  5. Referential integrity constraint

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This constraint in Oracle allows an entity to represent a table and each row of the table represents an instance of that entity.