Multiple choice

Triggers are most useful to enforce which type of integrity?

  1. Referential integrity

  2. Entity integrity

  3. Domain integrity

  4. User-defined integrity

  5. None of these
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A Correct answer
Explanation

Rows cannot be deleted which are used by other records. Triggers are most useful to enforce referential integrity. Referential integrity enforces rules used to ensure that data remains valid across multiple tables.

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