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Re: SQL for Modeling Generalization Hierarchies

From: Laconic2 <laconic2_at_comcast.net>
Date: Thu, 27 May 2004 16:39:31 -0400
Message-ID: <sIydnbaWdPwrzCvd4p2dnA@comcast.com> 






"Robert Brown" <robertbrown1971_at_yahoo.com> wrote in message
news:240a4d09.0405270856.4ce55c7d_at_posting.google.com...



> adding attributes to the employees table because most attributes will

> be NULL (since janitors are never doctors at the same time).




By the way,  after I wrote "a DBA is never a janitor or a doctor"  it
occurred to me that when I was a DBA there were days when I felt like I was
both at the same time!  ;)
Received on Thu May 27 2004 - 15:39:31 CDT












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