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Message Posted: Thu, 08 Jan 2004 @ 15:29:34 GMT

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Subj:   Re: The ORDER BY clause
From:   Dieter Noeth

Narayan Murthy wrote:

  Given you had 4 columns in a table say "T1" and given a query  

  SELECT * FROM T1 order by 1,2,3,4;  

  Can the above query contain the following values in the ORDER BY clause  

  a. null  

  b. <= 0  

  c. > 4  

  d. repeating column specification i.e. ORDER BY 1,2,1  

  Case a. & d. give no error currently, but do they make sense, if so what.  

You can do lots of stupid things in SQL ...

  Case b. & c. give error (this is correct - isn't it)  

... but not that stupid ;-)


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