Answer & Explanation

4 Answers
Verified

Option A

It is only the database password.
Additional Explanation
This option is incorrect for the stated requirement.
Sarkari Resultess
Editorial Answer 1
Verified

Option B

It is only a backup file.
Additional Explanation
This option is incorrect for the stated requirement.
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Editorial Answer 2
Verified Correct Answer

Option C

A schema is the logical definition of database objects such as tables, columns, keys, constraints, indexes and relationships.
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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Editorial Answer 3
Verified

Option D

It is the number of rows in every table.
Additional Explanation
This option is incorrect for the stated requirement.
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Editorial Answer 4