July 2004
Intermediate to advanced
384 pages
9h 32m
English
book
Oracle Wait Interface: A Practical Guide to Performance Diagnostics & Tuning
by Richmond Shee, Kirtikumar Deshpande, K Gopalakrishnan
Content preview from Oracle Wait Interface: A Practical Guide to Performance Diagnostics & TuningBecome 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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Database Logoff Trigger as a Data Collector
Prior to Oracle8i Database, database triggers could only be created on tables and views and fired on DML events. In Oracle8i Database, Oracle extended its database trigger capability so that database triggers can be defined at the database or schema level and can fire on certain database and DDL events. The database events include STARTUP, SHUTDOWN, SERVERERROR, LOGON, and LOGOFF. The DDL events include CREATE, DROP, and ALTER.
The database trigger of interest here is the BEFORE LOGOFF trigger. It can be used to collect summarized session-level wait event data and CPU statistics from the V$SESSION_EVENT and V$SESSTAT views when sessions log off. Among the benefits, you can see all the events that belong ...
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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.