GREAT..Sql Top 1 Per Group

Return rows for maximum column value having same value from another column. Select top 1 Current BatchID batch_id BatchDate Date from Batch where batch_id -1 -- less than the smallest in the table order by batch_id asc.

Sql Group By How To Apply It Effectively

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Sql top 1 per group. Declare WorkingTablebatchID date declare CurrentBatchID NULL declare BatchDate NULL. The Overflow Blog Podcast 376. Get top 1 row of each group.

Select top 1 CurrentBatchID batch_id BatchDate Date from Batch where batch_id CurrentBatchID order by batch_id. While CurrentBatchID is not NULL begin insert WorkingTable values BatchID BatchDate. Select top 1 with ties DocumentID Status DateCreated from DocumentStatusLogs order by row_number over partition by DocumentID order by DateCreated desc The select top 1 with ties clause tells SQL Server that you want to return the first row.

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