Database Systems MCQs – Practice Test 6 (Chapter 21)
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MCQ 26: To saving changes to a document that is being edited, is similar to the:
MCQ 27: When a view is defined, we can use the view name to refer to the virtual relation that is generated by:
MCQ 28: The SQL standard allows a clause initially deferred to be added to a:
MCQ 29: The materialized view can be used to answer the query:
MCQ 30: By default, in SQL a foreign key references the primary-key attributes of the:
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