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Saturday 16 January 2021

Crash Recovery. (Yr 12)

SS3 Please be serious o. I know your future is already bright but you still need to be serious๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚. Because it is difficult to get a Crash Recovery for your own life hehehe. If you doubt ask Data. 

Now let's do business.

  1. The process by which a database is moved back to a consistent and usable state is called………. (a) cash recovery (b) crash recovery (c) past recovery (d) undo recovery
  2. The recovery algorithm that uses no-force and steals approach is ………….. (a) ARIAS (b) ARIES (c) ARREARS (d) ARIS
  3. ARIES works in ……………. Phases (a) 3 (b) 2 (c) 1 (d) 4
  4. Which of these is not a crash recovery type ………… (a) ARIES (b) Media recovery (c) Checkpointing (d) UNDO
  5. ………. Crash recovery uses backup files (a) Checkpoint (b) ARIES (c) Media recovery (d) atomicity

So better start reading

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