5. metadata

DBMS Published 30 Sept 2026 Updated 30 Sept 2026 0 Views Verified

What is metadata in a DBMS?

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Answer & Explanation

4 Answers

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Option A

Only binary log files.

Additional Explanation

This option is incorrect for the stated requirement.

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Option B

Only user passwords.

Additional Explanation

This option is incorrect for the stated requirement.

Verified Correct Answer

Option C

Metadata is data about database objects and their structure, such as column definitions, constraints, indexes and permissions.

Additional Explanation

Correct implementation. Prefer parameterized queries in application code, validate affected rows for UPDATE/DELETE, and use transactions for related writes.

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Option D

Only table row values.

Additional Explanation

This option is incorrect for the stated requirement.