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Duplicate records

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Zonie32

Technical User
Jan 13, 2004
242
US
Hi. First, I am using WIN XP and Access 2003.

I have a table with 60,000 records. Each week I import a delimited file with all records plus the new records that were added. Right now we can't distinguish the new records from the ones already there, so I use a delete query to delete all recs in the table and just import everything again.

One field is named CaseNumber and one DateEntered. There will never be a duplicate CaseNumber. So, if I run a query with CaseNumber and DateEntered using 9-20-04 as criteria, then next week I run the same query using the same date, how can I exclude the CaseNumbers that it already pulled this week? Is there a way to "tag" the records or something?
 
Have you tried to create a unique index on CaseNumber ?

Hope This Helps, PH.
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