Database Systems MCQs – Practice Test 2 (Chapter 21)
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Download the SQL Concepts and Queries Study App (iOS & Android): In the case of power outage or other system crash, when the system restarts, the action known to be occur is of; MCQ with answers: trace work, rollback work, traceback work, and commit work. Practice SQL Data Types and Schemas Quiz Questions, download Apple Book (Free Chapter) to improve backend development.
MCQ 6: SQL allows comparison operations on the data types i.e.:
MCQ 7: In the case of power outage or other system crash, when the system restarts, the action known to be occur is of:
MCQ 8: The current date is returned by the method:
MCQ 9: All the statements between the keywords begin atomic ...end form a/an:
MCQ 10: Any relation that is not part of the logical model, but is made visible to a user as a:
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