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Tag: tsql

How to find the sum from value of sql column

I have two tables with following data. studenttbl: feetbl: I need to find below data, but I am not getting balance value of seatno 1006: I am using this SQL query: Please help me with this. Answer This issue is due to INNER JOIN versus LEFT JOIN. When you INNER JOIN youll only get matches between two tables. …

Reset ROW_NUMBER() when previous partition ID changes

I am trying to reset the ROW_NUMBER() value when there is a change in one of the IDs when sequenced in datetime order. For example in the table below, when Location_ID changes, I want to reset the RowNum to 1. Here’s the statement I am using. I get RowNumX, but want RowNumY. EventDate Scan_Timestamp Ass…