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Mohamad Eskandarane Questions
11022 Questions
To perform logical redo or undo, the database state on disk must be operation ___________ that is, it should not have partial effects of any operation
Database
2022-07-06
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30
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451
Redo operations are performed exclusively using
Database
2022-07-06
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30
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40
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453
Which of the following is used for undo operations alone ?
Database
2022-07-06
Answers
30
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40
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428
Once the lower-level lock is released, the operation cannot be undone by using the old values of updated data items, and must instead be undone by executing a compensating operation; such an operation is called
Database
2022-07-06
Answers
30
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439
If only the primary is active, the transaction is allowed to commit as soon as its commit log record is written to stable storage at the primary site. This is
Database
2022-07-06
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30
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467
A transaction commits as soon as its commit log record is written to stable storage at the primary and the backup site.This is
Database
2022-07-06
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30
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40
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522
A transaction commits as soon as its commit log record is written to stable storage at the primary site. This is
Database
2022-07-06
Answers
30
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40
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444
A _______________ configuration can make takeover by the backup site almost instantaneous
Database
2022-07-06
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30
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40
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461
The time to process the remote backup can be reduced by
Database
2022-07-06
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30
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40
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522
The simplest way of transferring control is for the old primary to receive __________ from the old backup site
Database
2022-07-06
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30
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455
When the __________ the backup site takes over processing and becomes the primary
Database
2022-07-06
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30
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40
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427
The backup is taken by
Database
2022-07-06
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30
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40
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389
Remote backup system must be _________ with the primary site
Database
2022-07-06
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30
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40
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30
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449
Total:
11022
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