Database Systems Exam MCQs – Practice Test 4 (Chapter 21)
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Download the SQL Concepts and Queries Learning App: Rollback work cannot undo, once a transaction has executed by the; MCQ with answers: traceback work, commit work, trace work, and transmit work. Practice SQL Data Types and Schemas Quiz Questions, download Kobo e-Book (Free Chapter) for SQL database learning.
MCQ 16: SQL does not define a standard way of specifying that a view is:
MCQ 17: The rollback work cannot undo, once a transaction has executed by the:
MCQ 18: If there is a chain of foreign-key dependencies across multiple relations, a deletion or update at one end of the chain may propagate:
MCQ 19: If any of the foreign-key columns is null, the tuple is defined automatically to satisfy the:
MCQ 20: How to turn off automatic commit depends on the specific:
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