Re: more on delete from join
From: paul c <toledobythesea_at_oohay.ac>
Date: Sun, 23 Aug 2009 00:27:28 GMT
Message-ID: <Q10km.40322$Db2.38741_at_edtnps83>
Date: Sun, 23 Aug 2009 00:27:28 GMT
Message-ID: <Q10km.40322$Db2.38741_at_edtnps83>
paul c wrote:
> ...
> A' = (J MINUS D} {hA} UNION (A MINUS J{hA})
(because J MINUS D = J' MINUS D.) Received on Sun Aug 23 2009 - 02:27:28 CEST