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Log Based Recovery
written 5.8 years ago by gravatar for meghalikalyankar meghalikalyankar • 2.2k modified 2.5 years ago by gravatar for pedsangini276 pedsangini276 • 4.8k
advanced database management systems
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written 5.8 years ago by gravatar for meghalikalyankar meghalikalyankar • 2.2k

The most widely used structure for recording database modifications is the log.

The log is a sequence of log records and maintains a history of all update activities in the database.

There are several types of log records.

An update log record describes a single database write:

i. Transactions identifier. …

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