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Delete Relation Programmatically
Message
De
30/06/2005 17:32:32
Jay Johengen
Altamahaw-Ossipee, Caroline du Nord, États-Unis
 
 
À
30/06/2005 17:12:23
Dragan Nedeljkovich (En ligne)
Now officially retired
Zrenjanin, Serbia
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Versions des environnements
Visual FoxPro:
VFP 8 SP1
OS:
Windows 2000 SP4
Database:
Visual FoxPro
Divers
Thread ID:
01027883
Message ID:
01027919
Vues:
15
>>I'm getting this error when tring to remove a table from a database programmatically. How do I delete the relation in code so I can remove the table? This whole database container, back links, front links, belongs to crap is killing me. This routine was supposed to take about 4 hours and it's been 3 days. All I'm trying to do is copy a source database and tables using the COPY TO command and it's been a nightmare. Almost there, but everytime I think that, another one of these errors bites me in the patootie.
>>
>>
>>
>>Table "name" is referenced in a relation (Error 1577)You cannot remove a table from a database if that table is involved in a relation.
>>
>>Delete the relation first.
>>
>>
>
>you need
>
Alter table {table} DROP FOREIGN KEY TAG {tag name}
What if I don't know what the offending tag name is? And why does this come up as a relation error? I'm looping through a table of tables as I'm doing this. Do I now need to loop through every table for it's tags and delete them? This stuff is very frustrating.
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