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Deleting Duplicates
Message
De
15/02/2013 16:20:35
 
 
Information générale
Forum:
Microsoft SQL Server
Catégorie:
Syntaxe SQL
Divers
Thread ID:
01566185
Message ID:
01566192
Vues:
34
>>OK, here's my ever so often dumb Friday afternoon question.
>>
>>I ran the Sedna upsizing wizard to upsize a VFP database to SQL Server 2012 and it managed to create duplicate records, so I now need to delete those that are duplicates. There are only a few of them so I was going to manually do it in SSMS, but of course that won't work because there is no way to uniquely identify the record I am trying to delete.
>>
>>Any suggestions on how to do this?
>
>Did you create complete duplicates or some fields are different?
>
>You may try:
>
>;with cte as (select *, row_number() over (partition by Column1, Column2, Column3 order by Column1) as Rn
>from TableWithDups)
>
>delete from cte where Rn > 1
the entire record was duplicated (don't ask me how). I tried this:
;with cte as (select *, row_number() over (partition by nav_list, nav_item, nav_command, nav_image, nav_caption, nav_securityid, nav_active order by nav_list) as Rn
from navigator)
just to see what it returned, but I get a syntax error near ')'
Frank.

Frank Cazabon
Samaan Systems Ltd.
www.samaansystems.com
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