Plateforme Level Extreme
Abonnement
Profil corporatif
Produits & Services
Support
Légal
English
Updating records in FoxPro tables
Message
 
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Divers
Thread ID:
00565010
Message ID:
00565086
Vues:
35
>>>>>>>>I have some dupe records that are causing me problems and I need to delete one of the dupes for each record in several tables. Is there a way to do that without deleting each individual record by hand? Is there a way to do it using the command line?
>
>>>Ok, last try before I'll actually run a test :)
>>>
>>>select KeyID, count(*) as CntDups from yourtable group by KeyID ;
>>>       having CntDups > 1 ;
>>>       into cursor curDupes
>>>if _tally>0 && There are dups in table
>>>  index on KeyID tag KeyID
>>>  scan
>>>  if seek(KeyID,'YourTable',"KeyID") && should be always found
>>>     * select YourTable
>>>     delete in YourTable && One duplicated record is deleted now
>>>   endif
>>>   endscan
>>>endif
>>>use in curDupes
>>>
>>Looks like it'll work for one duplicate per KeyId. What if there're more than one?
>
>See the highlighted part in the original question :) What was asked - that was answered, nothing more, nothing less :)
>
>Of course, if we expand the original problem, I have to think a little bit more :)

Ok, you got me :)
--sb--
Précédent
Suivant
Répondre
Fil
Voir

Click here to load this message in the networking platform