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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Managing stored outlines
In production environments, there is a very simple golden rule about database performance—it's better to have a database that always performs quite well than a database that performs even 10 times faster but not always; that is, a database whose performance sometimes dips.
Execution plan stability is a must for ensuring performance that persists over time; in production environments, we need an optimal and predictable performance.
In this recipe, we will see how to create stored outlines to achieve execution plan stability and how to manage these stored outlines.
Getting ready
To create stored outlines, we need an appropriate grant. Connect to the database as SYSDBA, and grant the user SH permission to create stored outlines: ...
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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.