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Reference : Designing ODBC Applications for Performance Optimization : Retrieving Data

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Retrieving Data

To retrieve data efficiently, return only the data that you need, and choose the most efficient method of doing so. The guidelines in this section will help you optimize system performance when retrieving data with ODBC applications.
* Retrieving Long Data
* Reducing the Size of Data Retrieved
* Using Bound Columns
* Using SQLExtendedFetch Instead of SQLFetch
* Choosing the Right Data Type