August 2002
Intermediate to advanced
528 pages
10h 12m
English
book
Oracle SQL and PL/SQL Handbook: A Guide for Data Administrators, Developers, and Business Analysts
by John Adolph Palinski
Content preview from Oracle SQL and PL/SQL Handbook: A Guide for Data Administrators, Developers, and Business Analysts
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Trace
A second tool that is often used for performance tuning is the trace facility, which captures statistics about the amount of data and the amount of time spent on actions. Such statistics include the following:
CPU time
Parse, execute, and fetch counts
Elapsed time
I/O counts (physical and logical)
Number of rows accessed
Misses on the library cache
The trace facility is not the easiest tool to use. The basic problem is that the trace statistics are written to a file on the operating system. The file can be hard to locate because it may be on the server on which the Oracle installation resides. It also can contain a lot of information. Statistics are placed into this table for everything Oracle does once the trace facility is turned on. It is ...
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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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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.