CompTIA Security+ Exam Prep

Category - Engineering

You know that databases, applications, and integrity services are necessary for systems to work. What integrity service has uniqueness constraints?
  1. Rollback Integrity
  2. Semantic Integrity
  3. Entity Integrity
  4. Referential Integrity
Explanation
Answer: B - Semantic integrity service has unique constraints. A semantic integrity mechanism makes sure structural and semantic rules are enforced. These rules pertain to data types, logical values, uniqueness constraints, and operations that could adversely affect the structure of the database. Semantic integrity is joined with referential integrity and entity integrity.
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