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Message Posted: Fri, 28 Feb 2003 @ 01:13:58 GMT

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Subj:   Re: Searching for unprintable characters
From:   Green, Nathan


I've seen a number of usefull tips sent to you already and I'd like to add one more.

For a more generic check, to determine if you have inappropriate data in a column, is to use the TRANSLATE_CHK function. This will return a non-zero result if it cannot translate data into a specified character set. Further information can be found in the "Teradata SQL Reference Volume 5: Functions and Operators" manual.

Your query would look something like this....

select  *
from            tablename
where           TRANSLATE_CHK( string_column USING Unicode_TO_Latin) <>

This would return all records where the "string_column" contained data which could not be translated to a "Latin" character set.

Different comparisons are described under the "TRANSLATE" function in the above manual.

Hope this helps,


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