Re: Natural keys vs Aritficial Keys
Date: Fri, 29 May 2009 13:53:20 GMT
David BL wrote:
> I have no idea what you mean by "relvars are structures (not logical
> pointers presumably?". Please quote me rather than pretend to quote
> "... However with other ways of >> composing data structures, sub-variables may not exist. A relvar is >> one such example. ..."
There's your quote for the second time. Received on Fri May 29 2009 - 15:53:20 CEST