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Wrong tag with FOR NOT DELETED() UNIQ after recs are del
Message
De
26/02/1998 16:11:18
 
 
À
26/02/1998 16:05:14
Information générale
Forum:
Visual FoxPro
Catégorie:
Autre
Divers
Thread ID:
00081529
Message ID:
00081536
Vues:
22
>>That's all right, and when I've read this from Foxpro help (2.x version) I decided never use Unique tags.
>
>Yes, but a SELECT DISTINCT on a 1 gig table is not a beautiful thing where as
>using an existing UNIQUE tag works great when it's correct.
>
>UGH!

I understand this situation. Sometimes (I don't mean exactly your case), the necessity of Unique tag indicates incompletness of database design, i.e. all 'unique' values could be separated into one more lookup table. Here, you could move pointer along primary keys, avoiding 'duplicates'.
Edward Pikman
Independent Consultant
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