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Statements are also parsed by a proprietary Precise for Oracle parser. Parsing allows Precise for Oracle for example to highlight statement objects from the execution plan and to format execution plans. The number of statements that are parsed is again governed by a setting in the PMDB. For more information, see the Precise Administration Guide.

Understanding the execution plan chosen by the Oracle Optimizer is extremely important when tuning your application. You can ensure optimal system performance by ensuring that the best plans are used for your queries.

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