Database Systems Certification MCQs – Practice Test 19 (Chapter 21)
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The "SQL Concepts and Queries Quiz" App Download (iOS & Android): SQL allows a default value to be specified for an; MCQ with answers: tuple, instance, relation, and attribute. Study Basic Structure of SQL Queries Quiz Questions, download Google Book (Free Chapter) to engage online classes.
MCQ 91: Time values can be specified as:
MCQ 92: SQL allows a default value to be specified for an:
MCQ 93: If a relation satisfies the specified constraint. If it does, the constraint is:
MCQ 94: In the case of power outage or other system crash, the rollback occurs when the:
MCQ 95: View maintenance can be done immediately on the relations on which the view is defined is:
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