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Compare & Update Dates In Two Tables

Posted on 2011-02-18
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Last Modified: 2012-05-11
Hello Experts,

I have two tables, Jobs & GoodsReceipts. In Jobs there is an ActionDate (datetime) column which I need to compare with GoodsReceipts column Date (datetime) and if they differ, update GoodsReceipts with the new date.

I am sure the answer is very simple but I am having one of them days :(

I'm using MS SQL SERVER 2008.

Thanks,


David
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Question by:NewFourWalls
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Guy Hengel [angelIII / a3] earned 2000 total points
ID: 34925901
update with join is explained here:
http://www.experts-exchange.com/A_1517.html

UPDATE r
  SET GoodsREceips = j.ActionDate
  FROM GoodsReceipts r
  JOIN Jobs j
    ON r.key_column = j.key_column
   WHERE r.GoodsREceips <> j.ActionDate 

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Author Closing Comment

by:NewFourWalls
ID: 34926350
Thank you.

I used a different example from the page you sent and it works great.
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