Proc sql updating multiple columns

02-Sep-2019 14:58

I don't think i can use the merge statement here since there are more than 1 condition that has to be met for the target table to be updated.

The way i understand it external tables don't have primary keys.

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I cannot tell you how to make something more efficient if I do not know what is impeding the efficiency in the first place. Pinal Dave is a SQL Server Performance Tuning Expert and an independent consultant.