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Message Posted: Wed, 12 Feb 2003 @ 11:27:53 GMT


     
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Subj:   Re: I'm stumped...case logic on a left join subquery vs. case logic on a select query
 
From:   Dieter Nöth

Fred W Pluebell wrote:

  The real question in my mind is why the first query works. I believe your problem is that LENGTH(...) isn't a standard SQL function. Instead of LENGTH(pc.postl_cd)=9 use something like CHARACTER_LENGTH(TRIM(TRAILING FROM pc.postl_cd)) =9  



LENGTH is ODBC-SQL and when you check "Allow use of ODBC SQL Extension in queries" in QueryMan's query options, the ODBC driver will replace LENGTH with CHARACTERS automatically.

There's no extra SQL-feature available in ODBC, but if you start working with e.g. MONTH(datecol) instead of EXTRACT you're getting used to it and then you wonder why the query returns a syntax error running in BTEQ or a different QueryMan ;-)


Dieter



     
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