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Access 2007 Tutorial 5.3. Delete Duplicate Records

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Uploaded by on Feb 8, 2010

In this video:
Unique Values
Append Query
Count and First
SQL View
In Criteria
Delete Query

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  • Can this only be done on Primary Key? I tried on a field that is not a primary key and the query never finishes. I see running query but the progress bar never shows up.

  • @RogueX20 I'm sorry, but I am not exactly sure what you are asking. We use the PK in the delete query because it gives a unique identifier for the record when we want to delete it. If you have another identifier that you are confident is unique, you could use that.

    If you are having a problem with your query, try making it as simple as possible and then add complexity, so you can determine exactly when it starts to go wrong.

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  • I understood what we did in video 5.1 and 5.2 and I understand what the goal is in 5.3, I am just not understanding how we arrived at the solution and I have watched this 3 times.

    We went from 72 records, then allowed duplication via properties and went to 342 records, then to 67, then back to 72. Let me watch this a 4th time.

    Definitely NOT beginner video. Thank you so much for sharing your knowledge.

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