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
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APPENDIX BEnqueue Waits in Oracle Database 10g
In Oracle Database 10g Release 1, each enqueue type is represented by its own wait event, making it much easier to understand exactly what type of enqueue the session is waiting for. You do not need to decipher the values from the P1, P2, P3, P1RAW, P2RAW, and P3RAW columns in the V$SESSION_WAIT or the V$SESSION view.
The following table lists all the enqueue waits in Oracle Database 10g Release 1 and describes what the enqueue is for. This information is available in the X$KSQST structure. The aggregated statistics for each of these enqueue types is displayed by the view V$ENQUEUE_STAT.
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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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