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The DBMS keeps several copies of ____________________ to ensure that a disk physical failure will not impair the DBMS's ability to recover data.
Q6: _ deals with ensuring that data is
Q6: The SQL execution activities are performed by
Q38: Client-side extensions are available in various forms,
Q40: The practical significance of taking the logical
Q45: Periodicity, usually expressed as current year only,
Q55: _ CASE tools provide support for the
Q64: As long as two transactions, T1 and
Q71: The Crow's foot symbol with two vertical
Q72: Dependency diagrams are very helpful in getting
Q73: _ is the real power behind the