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Exclude deleted files from a primary key index
Message
From
14/09/1998 15:47:15
 
 
To
14/09/1998 15:45:00
Koos Veel
Gamma Research
Aruba
General information
Forum:
Visual FoxPro
Category:
Other
Miscellaneous
Thread ID:
00136403
Message ID:
00136407
Views:
27
>Hello,
>
>We are using Visual FoxPro 5.0 and we are making a framework. For our security form we have put an index with a primary key on the 'username' field. The problem is that if we delete a record using the delete-command the primary key still prevents us to make another record with the same username. Is there a way to exclude deleted records from the primary key? Thank you for your time.
>
>Greetings,
>
>Afier Appelman
>Using the account of Koos Veel

It's indication that primary key should be just sequential (surrogate) number having nothing to deal with deleted/non-deleted issues.
Edward Pikman
Independent Consultant
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