The SQL Server Performance Tasting Menu: How DISTINCT Queries Can Hurt Performance

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One thought on “The SQL Server Performance Tasting Menu: How DISTINCT Queries Can Hurt Performance

  1. Hi Erik,

    I haven’t seen an EXISTS with similar conditions to your >= u.id and = and <= would just equate to =)

    Also, I really did ponder this for longer than I'd be comfortable to admit.

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