With location transparency,a SELECT query must use the intersection operator to collect the rows from the various fragments.
Correct Answer:
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Q20: Middleware is a software component in a
Q21: When the primary copy protocol is used
Q22: Which of the following is one of
Q23: The server-side approach has the following feature:
A)
Q24: Which of the following is not a
Q26: In a client-server database architecture which of
Q27: An overriding design issue in client-server database
Q28: In distributed transaction processing,transactions do not necessarily
Q29: In a three-tier client-server database architecture,the "third
Q30: Which of the following is an advantage
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