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Editorial Team
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Asked: 2026-06-06T15:27:19+00:00

I have data from two different sources that I need to combine. Some data

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I have data from two different sources that I need to combine. Some data is duplicated exactly and that’s fine, easy to handle. Some data matches on two points and is different on a third, so in these cases I need to make a decision on which to keep and which to discard. Is there a query I can run to find any two rows that have the same identifier and the same date but a different description, then if one description is A whilst the other is B, to delete the row that has description B?

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1 Answer

  1. Editorial Team

    In this case, I suggest you set up a form and subform. The form can be based on a query:

     SELECT FROM Table1
 INNER JOIN Table2
 ON Table1.ID = Table2.ID
 AND Table1.Date = Table2.Date
 WHERE Table1.=Description & "" <>  Table2.Description & ""

    The addition of “” on both sides prevents mismatches being missed where one side is null.

    The subform should be based on Table2 with the ID as the link child and master fields. You can then review both records before deciding on an action.

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