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InterviewSolution
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What Is An Index ? |
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Answer» 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. 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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