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Reading data selcted cols vs. whole row

Discussion in 'Performance Tuning and Optimization' started by eLVeeJay, Aug 19, 2015.

  1. eLVeeJay

    eLVeeJay New Member

    What is the performance cost of selecting an entire row vs. just some of the columns (not cols in PK or indexes)? There are no XML/image/blob columns.

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