Trace Files and the Alert Log-LGWR

Each server and background process can write to an associated trace

file. When a process detects an internal error, it dumps information

about the error to its trace file. If an internal error occurs and

information is written to a trace file, the administrator should

contact Oracle support.

Each database also has an Alert log. The ALERT file of a database is

a chronological log of messages and errors.

 

Oracle does not consider a transaction as committed until LGWR

successfully writes you transactions redo entries and a commit

record to the transaction log.


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