Answer & Explanation

4 Answers
Verified Correct Answer

Option A

Locks can coordinate concurrent access so conflicting operations do not violate the chosen consistency and isolation guarantees.
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 1
Verified

Option B

To generate HTML forms.
Additional Explanation
This option is incorrect for the stated requirement.
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Editorial Answer 2
Verified

Option C

To compress SQL text.
Additional Explanation
This option is incorrect for the stated requirement.
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Editorial Answer 3
Verified

Option D

To rename columns automatically.
Additional Explanation
This option is incorrect for the stated requirement.
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Editorial Answer 4