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Delete All But The Latest One

Thread began 4/08/2009 2:22 am by meister281653 | Last modified 4/08/2009 7:45 am by Ray Borduin | 1624 views | 2 replies |


Delete All But The Latest One

Hi there,

I got a lots of Database entries. Now I want to delete all but the latest one. How does that work?


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Just a stab in the dark, but retrieve the recordset ordered by the unique ID field descending.

Store that Unique ID in a Session Variable and then delete all records that are not equal to that Session Variable.

The DA Delete code may need some manual tweaking for that though..


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Ray BorduinWebAssist

You could probably just use a query like:

DELETE FROM tablename WHERE tableID <> (SELECT tableID FROM tablename ORDER BY tableID DESC Limit 1)

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