Ankur Gakkhar asked 3 years ago
Title : What is the role of redo log file?

Question :

What is the role of redo log file? Why do we need it?

1 Answers
Kumar HarshKumar Harsh Staff answered 3 years ago

As the Redo Log Buffer fills, the contents are written to Redo Log Files.
Database changes are written to redo logs to enable recovery. This includes uncommitted transactions, undo segment data, and schema/object management information. During database recovery, information in Redo Log Files enable data that has not yet been written to datafiles to be recovered.

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