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Database Systems Practice Test 90
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MCQ 446: The authorization type that doesn't allow modification of existing data, is known as
MCQ 447: To define a temporary view whose definition is available only to the query in which it is defined, the clause used is
MCQ 448: SQL provides constructs for
MCQ 449: Transactions access data using operations of
MCQ 450: Periodically backing up the database, is the process done by
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