Titlebook: Oracle Database 12c Performance Tuning Recipes; A Problem-Solution A Sam R. Alapati,Darl Kuhn,Bill Padfield Book 2013 Sam Alapati and Darl

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Choosing and Optimizing Indexes,he index first, find the topic of interest, and identify associated page numbers. With this information, you can navigate directly to specific page numbers in the book. In this situation, the number of pages you need to inspect is minimal.

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Execution Plan Optimization and Consistency,cenarios, the prior behavior results in adequate-performing execution plan. However, you will encounter situations where query performance is poor and you need to understand the optimizer’s choice of an execution plan. Listed next are features you can use to guide the decision path the optimizer uses when selecting an execution plan:

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Optimizing Table Performance, physical features such as table types and data types. Therefore implementing practical database, tablespace, and table creation standards (with performance in mind) forms the foundation for optimizing data availability and scalability.

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Monitoring System Performance,tabase for a specific period of time. Usually, when there are performance issues occurring within a database, it’s easy to know when the performance problems are occurring because database activity is “slow” during that given time frame. Knowing this time frame is the starting point to perform the analysis using the AWR information.

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Configuring the Optimizer,ollection as well as how to validate new statistics before making them available to the optimizer. The chapter explains how to lock statistics, export statistics, gather system statistics, restore older versions of statistics, and handle missing statistics.

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