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$SESSION
This view displays information on each current session.
Fields
The most relevant view fields are as follows:
SID: The session identifierSADDR: The session addressSERIAL#: The session serial numberPROCESS: The operating system client process IDPADDR: The address of the process that owns this sessionAUDSID: The auditing session IDEVENT: The resource or event for which the session is waitingP1,P2,P3: Wait event parametersWAIT_TIME: This is set to:-2ifTIMED_STATISTICSis set to false-1if the last wait duration was less than a hundredth of a second0if the session is currently waiting- A value greater than zero, which is the duration of the last wait in hundredths of a second
LAST_CALL_ET: The elapsed time in seconds since the session has ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.