December 2011
Intermediate to advanced
269 pages
7h 26m
English
book
Expert Indexing in Oracle Database 11g: Maximum Performance for Your Database
by Darl Kuhn, Sam R. Alapati, Bill Padfield
Content preview from Expert Indexing in Oracle Database 11g: Maximum Performance for Your Database
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Automatic SQL Tuning Job
When you create a database in Oracle Database 11g or higher, there is an automatic SQL tuning job that routinely runs the SQL Tuning Advisor for you and generates advice on how to improve performance. This advice can be in the form of creating indexes, restructuring SQL, creating a SQL profile, and so forth. This architecture is depicted in Figure 9-1.
Figure 9-1. Architecture of the automatic SQL tuning job
Notice that the automatic SQL tuning job uses as its input the high resource statements found in the AWR. Also, the job can be configured to automatically accept SQL profiles (more on this later).
Verifying Automatic ...
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