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MS SQL Query to change a table field value if it has a specific current value

Posted on 2014-02-18
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Last Modified: 2014-02-20
I have a MS SQL 2008 database called ACIMain. In that database I have a table called PieceDetails. In the PieceDetails table is a varchar field called ZIP9. This table has several million records where 30 thousand or so of records have the ZIP9 value that has 9 digits and a dash. The 9 digits vary from record to record but they all have a dash as the 10th character. I need to select the records that have 9 digits and a dash from all of the records in the table and then remove the dash from each of the selected record.

How can I do that with a T-SQL query?


Thanks,

Dave
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Question by:dcadler
7 Comments
 
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Accepted Solution

by:
David Todd earned 500 total points
ID: 39869243
Hi,

use ACIMain
go

update pd
set ZIP9 = left( pd.ZIP9, 9 )
-- select pd.zip9, left( pd.zip9, 9 )
from dbo.PieceDetails pd
where
    right( pd.zip9, 1 ) = '-'
;

Select from the select on down and run that. If it looks okay, then run the entire script.

HTH
  David
0
 
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Expert Comment

by:chaau
ID: 39869528
I think this query will do the trick:
update PieceDetails
set ZIP9 = STUFF( ZIP9, 10, 1, '' )
where substring( ZIP9, 10, 1 ) = '-'

Open in new window

0
 
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Expert Comment

by:awking00
ID: 39871151
update piecedetails
set zip9 = replace(zip9,'-','')
where right(zip9,1) = '-';
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LVL 35

Expert Comment

by:David Todd
ID: 39872004
@Awking00 - that's almost exactly what I posted several comments above.
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Author Closing Comment

by:dcadler
ID: 39873314
Thanks David. Thad did the trick
0
 
LVL 32

Expert Comment

by:awking00
ID: 39873333
David Todd, I apologize. I missed reading your earlier post.
0
 
LVL 35

Expert Comment

by:David Todd
ID: 39874432
@Awking00 - apology accepted.
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