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Check the value of a decimal type column

Posted on 2007-11-16
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Last Modified: 2010-04-21
I have a SQL table column X which hold a data type varchar2

I have the table populated with some records.

and the data looks like

21.98
23.87
34.12 OFF
12.23

etc

I want to find the row that does not hold a value price. How can i find it.
I need the row 34.12 OFF to be retrieved for the illustration.
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Question by:TECH_NET
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7 Comments
 
LVL 17

Expert Comment

by:Chris Mangus
ID: 20301274
Select X From myTable where IsNumeric(X) = 0

This will catch any non numeric rows.
0
 

Author Comment

by:TECH_NET
ID: 20301325
It works great. Exactly what i wanted. Now another question.

one of the value of the price column was

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How can i update the another column Y, with the value of the PRICE, and if the column Y has a value , can i append the value of the PRICE column to value of column Y.

I increased the points to 500
0
 
LVL 17

Expert Comment

by:Chris Mangus
ID: 20301373
Update myTable Set Y = IsNull(Y, '') + IsNull(X, '')
Where IsNumeric(X) = 0

The IsNulls are there to catch any instance where you don't have an existing value in Y or in the event the data in column X is null.
0
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LVL 17

Expert Comment

by:Chris Mangus
ID: 20301376
My code will update all of your Y columns.  Are you wanting to do this on a row-by-row basic?
0
 

Author Comment

by:TECH_NET
ID: 20301585
yes, i want to update only rows where the column of price is not numeric,
0
 
LVL 17

Accepted Solution

by:
Chris Mangus earned 500 total points
ID: 20301602
Then my code will work as written.  Obviously, if you wanted to do it on specific rows you'd include your PK in the Where clause.
0
 

Author Closing Comment

by:TECH_NET
ID: 31409641
Thank you for your quick responses.
0

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