October 2014
Intermediate to advanced
712 pages
21h 28m
English
Content preview from Expert Oracle RAC Performance Diagnostics and Tuning
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CHAPTER 7
SQL Tuning
Every application, small or big, online or batch, OLTP or warehouse, all interact with the database using SQL. SQL could be either in the form of data manipulation language (DML) through INSERT, UPDATE, and DELETE operations; data definition language (DDL) in the form of CREATE, ALTER, and DROP; or in the form of queries where they SELECT and retrieve data from the database. SQL operations of any kind should be efficiently written to perform optimally and give good response times.
Performance of an SQL operation is driven by the optimizer behavior and the plan generated by the optimizer when the SQL is executed. The behavior ...
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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.
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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.