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by Craig Shallahamer Get the book here |
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Craig Shallahamer's Blog
The text below is an except from the book, Oracle Performance Firefighting, written by Craig Shallahamer of OraPub, Inc. Figures and tables are not included on this page, only their reference. To order the book in either print or PDF form, click here. ©2009, 2010 by Craig Shallahamer. This is copyrighted material. Please—Out of respect for those involved in the creation of the book and also for their familes, we ask you to respect the copyright both in intent and deed. Thank you. ------------------------------- 1 I suspect the trend will continue. As shared pool memory management continues to improve, Oracle will be more confident in placing more and more distinctly different objects into this single large cache. 2 The student registration system that needed bind variables was based on version of Oracle that did not support this transformation option. As a result, the SQL had to be changed. 3 Mark Gury, of MGA based in Australia, spends countless hours optimizing PeopleSoft systems. He has personally told me on nurmous occasions that using the force option has returned a different row set. The lesson here is to always thoroughy test when using cursor sharing before you make the change in production. Please—Out of respect for those involved in the creation of the book and also for their familes, we ask you to respect the copyright both in intent and deed. Thank you. |
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