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Line 7: * [[Logging changes during Undo]]: Changes made to the database while undoing transactions are logged to ensure such an action isn't repeated in the event of repeated restarts. == Logging == ~~== Logging == it is difficult to understand please explain with example~~ For the ARIES algorithm to work a number of log records have to be created during the operation of the database. Log entries are sequentially ordered with Sequence Numbers.

Algorithms for Recovery and Isolation Exploiting Semantics: Difference between revisions