TAILIEUCHUNG - Overview of Oracle9i Database Performance Tuning

After completing this lesson, you should be able to do the following: Define the roles associated with the database tuning process Describe the dependencies between tuning in different development phases Describe service level agreements Identify tuning goals Identify common tuning problems Employ tuning activities during development and production Balance performance and safety trade-offs | Overview of Oracle9i Database Performance Tuning Objectives After completing this lesson, you should be able to do the following: Define the roles associated with the database tuning process Describe the dependencies between tuning in different development phases Describe service level agreements Identify tuning goals Identify common tuning problems Employ tuning activities during development and production Balance performance and safety trade-offs Tuning Questions Who tunes? Application designers Application developers Database administrators System administrators What to tune? How much tuning? Tuning Questions Who Tunes? Everyone involved with the Oracle system (system architects, designers, developers, and database administrators) should think about performance. If problems develop, it is usually the database administrator (DBA) who makes the first attempt at resolving them, thus the DBA should have an accurate overview of all the applications, and their interaction with each .

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