Database Systems MCQs – Practice Test 24 (Chapter 21)
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Free SQL Concepts and Queries Notes App Download: If a view relation is computed and stored, it may become out of date if the; MCQ with answers: defined tuples are swapped, defined attributes are swapped, defined structure is changed, and defined relations are modified. Practice Query Optimization Techniques Quiz Questions, download Kobo e-Book (Free Chapter) for database distance education.
MCQ 116: The clause that can specify that if a delete or update action on the referenced relation violates the constraint, is the one:
MCQ 117: If a view relation is computed and stored, it may become out of date if the:
MCQ 118: The form of the create view command is:
MCQ 119: Once we have defined a view, we can use the view name to refer to the:
MCQ 120: When a user submits an SQL query, from using an index, the SQL query processor uses the:
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