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How To Select "(x row(s) affected)" On Update or Delete Statement

Posted on 2007-03-27
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Last Modified: 2012-05-05
I'm trying to figure out what sql syntax to use in order to select the row(s) affected value.

I'm using query analyzer with the following sql:

delete referrals where referralid = 6

When I run this it will say either "(1 row(s) affected)" or "(0 row(s) affected)"

Is there a way I can select that value? Sort of like select scope_identity() when doing an insert statement. Thanks for any help.
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Question by:clickclickbang
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8 Comments
 
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Expert Comment

by:Ved Prakash Agrawal
ID: 18799931
after running any statement @@Rowcount has that information..Like how many rows affected.
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Ved Prakash Agrawal earned 800 total points
ID: 18799953
No..there is no way that  in a single statement you also bind the information that how many rows affect.

@@Rowcount is a goble system variable when the execution complete the information will store in this variable.


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Expert Comment

by:Jim Horn
ID: 18799974
What query language are you using?
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Assisted Solution

by:Sirees
Sirees earned 600 total points
ID: 18800009
one alternate way is to count the rows before delete like

select count(*) referrals where referralid = 6

delete referrals where referralid = 6
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Author Comment

by:clickclickbang
ID: 18800052
I'm using TSQL but I'd like a solution that could be tranportable to MySql.
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Assisted Solution

by:Guy Hengel [angelIII / a3]
Guy Hengel [angelIII / a3] earned 200 total points
ID: 18800116
>I'm using TSQL but I'd like a solution that could be tranportable to MySql.
no way, except Sirees' way
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Assisted Solution

by:Lowfatspread
Lowfatspread earned 400 total points
ID: 18800688
in T-SQL / SQL Server

you can specify the maximum number of rows that can be affected by your  statement

with

Set Rowcount 100
which means only allow 100 "updates"
Set Rowcount 0 means unlimited (the default)

however this limitation is global... and is at the statement level...
so any "updates" processed as a result of triggers firing are also counted...
which is why @@Rowcount does actually give you a Direct count of the Rows affected by the immediate scope
of your initiating statement...

you are recommended to use the TOP X feature in your statements from sql 2000 onwards to limit the numbers
of rows processed...

see Books Online SET ROWCOUNT
 

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LVL 1

Author Comment

by:clickclickbang
ID: 18808119
Thank you all for the comments. I have plenty to go on now!

~ C
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