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Compare the shadow paging recovery scheme with the log-based recovery schemes in terms of ease of implementation and overhead cost.
written 9.0 years ago by gravatar for teamques10 teamques10 ★ 70k modified 3.8 years ago by gravatar for pedsangini276 pedsangini276 • 4.8k

Mumbai University > Information Technology > Sem 3 > Database Management System

Marks: 10M

Year: May 2015, May 2016
database management systems
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written 9.0 years ago by gravatar for teamques10 teamques10 ★ 70k
  1. Log Based Recovery
  • One of the most widely used structure for database modifications recording is the log.
  • Log can be defined as a sequence of log records, recording all the update activities in the database.
  • Log record contains various fields such as Transaction identifier, data item identifier, old value and …

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