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Sumit Kesarwani

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Abhishek Singh

Abhishek Singh

03-Feb-2014
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Sumit Kesarwani

Sumit Kesarwani

01-Feb-2014

 An index is an optional structure associated with a table to have direct access to rows, which can be created to increase the performance of data retrieval. Index can be created on one or more columns of a table.

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