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Oracle High Performance Tuning for 9i and 10g

  • Ravva Vamsi
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  • Oracle High Performance Tuning for 9i and 10g 

    Author(s): Gavin Powell
    Publisher: Digital Press
    Date     : 2004
    Pages    : 738
    Format   : chm
    OCR      : Y
    Quality  : 
    Language : English
    ISBN-10  : 1555583059


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    Description:
    There are three parts to tuning an Oracle database: data modeling, SQL code tuning and physical database configuration.
    A data model contains tables and relationships between tables. Tuning a data model involves normalization and de-normalization. Different approaches are required depending on the application, such as OLTP or a Data Warehouse. Inappropriate database design can make SQL code impossible to tune. Poor data modeling can have a most profound effect on database performance since all SQL code is constructed from the data model.
    Poorly written SQL code is often a culprit of performance problems and is expensive to rectify. However, tuning of SQL code is generally cheaper than changing the data model. SQL code tends to be contained inside independent blocks within applications or stored procedures.

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