What is meant by redo log buffer ?
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redo log buffer hold and written all redo entries in redo
log file or whenever a DML statement run that time redo
generate for that DML statement and these redo is hold by
the redo log buffer
every commit, log switch and before DBWN writer the redo
entries written into log file from redo buffer, it's
usefull for recovery purpose incase of crash
| Is This Answer Correct ? | 5 Yes | 0 No |
Answer / veeravel.csv@gmail.com
redo log file is stored to every transaction information, if you use sql query [eg: dml commands ]except select statement and then all write in redo buffer.it use to recovery purpose.
whenever give commit statement after will write in datafile..
[u will give rollback erase temporary statement]
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Answer / ravi dutta
when ever the buffer cache is crashed, the transactions
present in the buffer cache is lost. this can be recovered
by the redo log buffer, which contains all the transactions
present in the buffer cache
| Is This Answer Correct ? | 1 Yes | 4 No |
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