Am Montag, 19. Februar 2007 13:12 schrieb Alvaro Herrera:
> I don't understand -- what problem you got with "NO OPERATION"?  It
> seemed a sound idea to me.

It seems nonorthogonal.  What if only some of the tables you mentioned did not 
exist?  Do you get "SOME OPERATION"?

There are also other cases where commands don't have an effect but we don't 
explicitly point that out.

Peter Eisentraut

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