Answer & Explanation

4 Answers
Verified

Option A

Only the number of database users.
Additional Explanation
This option is incorrect for the stated requirement.
Sarkari Resultess
Editorial Answer 1
Verified Correct Answer

Option B

Cardinality describes the number of distinct values or, depending on context, the estimated number of rows produced by an operation.
Additional Explanation
Correct implementation. Prefer parameterized queries in application code, validate affected rows for UPDATE/DELETE, and use transactions for related writes.
Sarkari Resultess
Editorial Answer 2
Verified

Option C

Only the number of indexes.
Additional Explanation
This option is incorrect for the stated requirement.
Sarkari Resultess
Editorial Answer 3
Verified

Option D

Only the table's password count.
Additional Explanation
This option is incorrect for the stated requirement.
Sarkari Resultess
Editorial Answer 4