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 Article: Deleting Duplicate Records
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Starting Member

4 Posts

Posted - 09/23/2011 :  10:11:17  Show Profile  Reply with Quote
This link provides different methods of delete duplicate rows in sql
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Starting Member

2 Posts

Posted - 11/30/2011 :  22:22:46  Show Profile  Reply with Quote
What if you just didn't want to count the duplicates, or report the duplicates? But you don't want to delete anything.

Ex. Service code xyz is in GL 12345 and also in GL 34567, all other information is the same (account number, etc) i don't want to count or report the duplicate if it's already being counted or reported by the first GL in the hierarchy. Ex. if it's in GL 12345 then I don't want to count/report on it if it's also in GL 34567.
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Starting Member

5 Posts

Posted - 01/16/2012 :  08:55:57  Show Profile  Visit petersJazz's Homepage  Reply with Quote
I found a way. In Oracle you would use the column value ROWID. In SQL Server you can use the column %%physloc%% to get a id for every row. If you want to remove one of the row in a table that has no unique index you can do something like this. Please test it out first before using it.
delete from table a
-- select a.*,%%physloc%% -- when testing it out
where 0 =
(select count(*)
from table b
where =
and b.%%physloc%% > a.%%physloc%%)

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Patron Saint of Lost Yaks

30421 Posts

Posted - 01/16/2012 :  16:57:26  Show Profile  Visit SwePeso's Homepage  Reply with Quote
No, you can't. There are a few rules that must be met before using %%physloc%%.

N 56°04'39.26"
E 12°55'05.63"
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Posted - 01/27/2012 :  14:08:35  Show Profile  Reply with Quote
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Starting Member

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Posted - 06/06/2012 :  06:31:22  Show Profile  Reply with Quote

refer this link
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