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Unique ID Violated With Add/Delete
Message
From
15/06/1998 14:23:44
 
 
To
15/06/1998 13:32:45
General information
Forum:
Visual FoxPro
Category:
Coding, syntax & commands
Miscellaneous
Thread ID:
00108257
Message ID:
00108304
Views:
44
>>>Bear in mind that the DELETED() status has nothing to do with the uniqueness of a candidate or primary index. In any incremental key situation, you have to search all your table whether or not the records have been deleted.
>>
>>
>>PMFJI but in addition, even if you should check the deleted records, a simulataneous add by two users will also give the same behavior.
>
>I agree. Tying this into an earlier thread about unique keys, I don't even try to use sequential numbers unless forced to. I like to use GUIDs as primary (unique) keys.

You bring up a question in my mind that I've had for awhile. Are there any *real* benefits to using unique or candidate keys. I've yet to come up with anything that outweighs the annoyances.< s >
Later...
/< /-/
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