January 2012
Intermediate to advanced
542 pages
11h 28m
English
Content preview from Oracle Database 11gR2 Performance Tuning CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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V$LOG
This view displays information on log files from the control file.
Fields
The most relevant view fields are:
GROUP#: The log group numberTHREAD#: The log thread numberSEQUENCE#: The log sequence numberBYTES: The size of the log in bytesBLOCKSIZE: The block size of the log fileMEMBERS: The number of members in the log groupARCHIVED: The archive status (YESorNO)STATUS: The log status; it can beUNUSED,CURRENT,ACTIVE,CLEARING,CLEARING_CURRENT, orINACTIVEFIRST_CHANGE#: The lowest system change number stored in the logFIRST_TIME: The time of the first system change number in the log
See also
- The
V$LOG_HISTORYandV$LOGFILEsections in this appendix
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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