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Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
ISBN: 9781305627482

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BuyFindarrow_forward

Database Systems: Design, Implemen...

12th Edition
Carlos Coronel + 1 other
ISBN: 9781305627482
Textbook Problem

What three levels of backup may be used in database recovery management? Briefly describe what each backup level does.

Program Plan Intro

Database recovery management:

  • It is a process of restoring the contents of the database from an inconsistent state to a state that was consistent previously.
  • It is process of bringing the database to a consistent state after a failure.
Program Explanation

Three levels of backup:

  • Backup ensures that data is available, when the contents of the database are lost accidently.
  • Backup is a part of preventive maintenance.
  • There are three levels of backup they are:
    • Full backup
    • Differential backup
    • Transition log backup

Full backup:

  • All the objects of the database are copied entirely.
  • A full backup of the content is made...

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