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update record with data from another record in same table

How do I update a field in a record based on the value of another field in another record - in the same table?

Specifically, I want to update the value in the AMOUNT field of record1 with the value of the AMOUNT field in record 2 when the value in the YEAR field of record 2 meets a certain criteria. In addition, the records also have to match on 2 other fields

Thanks.
Mar 26 '08 #1
1 2135
ck9663
2,878 Expert 2GB
Kindly post what you have done so far. Some sample data will also be great, together with your desired output.

-- CK
Mar 27 '08 #2

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