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How to find SQL fields in all CAPS

Posted on 2010-11-24
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Last Modified: 2012-05-10
One of the tables in my SQL database has a field that is, at times, being populated by a third-party software program.  It is populating this field in all caps.  Is there a way to do a query of this field to find instances where entire words are in all caps?  
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Question by:lulichk
6 Comments
 
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Expert Comment

by:käµfm³d 👽
ID: 34209321

SELECT *
FROM tblName
WHERE column_name = UPPER(column_name)

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Expert Comment

by:pssandhu
ID: 34209381
Actually it depends on your current sql servers collation. To use a case sensitive coallation, you can use that in your select statement. The following examples will return records from the table where the whole value is in UPPER CASE.

CREATE TABLE #t (n  VARCHAR(20))

insert into #t(n) Values ('TEST')
insert into #t(n) Values ('zing')

Select *
From
(
Select *,
         CASE WHEN n COLLATE SQL_Latin1_General_CP1_CS_AS = LOWER(n) then 1 else 0 END Val
From #t ) m
Where Val = 0

Hope this helps

P.

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LVL 17

Expert Comment

by:pssandhu
ID: 34209427
Oops.. missed one important check. The value in the field could also be in PROPER CASE, meaning the first alphabet of the word could be capitalised and the rest of the body will be in LOWER CASE. So, in this case please refer to this example:
CREATE TABLE #t (n  VARCHAR(20))

insert into #t(n) Values ('Vick')
INSERT INTO #t(n) Values ('TEST')
insert into #t(n) Values ('zing')

Select * 
From
	(
		Select	*, 
				CASE WHEN RIGHT(n, Len(n)-1) COLLATE SQL_Latin1_General_CP1_CS_AS = LOWER(RIGHT(n, Len(n)-1)) then 1 
					 ELSE 0 
				END Val
		From #t 
	) m
Where Val = 0

DROP TABLE #t

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Accepted Solution

by:
EvilPostIt earned 50 total points
ID: 34211247
If your collation is not case sensitive then you can do the following

SELECT *
FROM tblName
WHERE column_name COLLATE Latin1_General_CS_AS= UPPER(column_name)

Obviously you can change the collation to the case senitive version of the one that you are currently using.
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Author Comment

by:lulichk
ID: 34230639
Thanks for your responses.  This is my first time I've posted a question and I'm very grateful for the help.  
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LVL 16

Expert Comment

by:EvilPostIt
ID: 34230649
No probs, let me know if i can further assist.
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