Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!news.dougwise.org!nntpfeed.proxad.net!proxad.net!feeder1-2.proxad.net!203.109.252.33.MISMATCH!newsfeeds.ihug.co.nz!lust.ihug.co.nz!ihug.co.nz!not-for-mail From: Lawrence D'Oliveiro Newsgroups: comp.lang.java.programmer Subject: Re: ORM or JDBC? Followup-To: comp.lang.java.programmer Date: Fri, 01 Apr 2011 13:10:16 +1300 Organization: Geek Central Lines: 24 Message-ID: References: <0c5037ee-f217-487c-9760-affd4bb6f181@n10g2000yqf.googlegroups.com> <4d8afdfe$0$41117$e4fe514c@news.xs4all.nl> <4d8ca45b$0$65870$e4fe514c@news.xs4all.nl> <4d8d53b1$0$23765$14726298@news.sunsite.dk> <4d90373e$0$81476$e4fe514c@news.xs4all.nl> <7rudncLSMpvB0A3QnZ2dnUVZ876dnZ2d@telenor.com> NNTP-Posting-Host: 118-92-92-183.dsl.dyn.ihug.co.nz Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8Bit X-Trace: lust.ihug.co.nz 1301616617 3004 118.92.92.183 (1 Apr 2011 00:10:17 GMT) X-Complaints-To: abuse@ihug.co.nz NNTP-Posting-Date: Fri, 1 Apr 2011 00:10:17 +0000 (UTC) User-Agent: KNode/4.4.7 Xref: x330-a1.tempe.blueboxinc.net comp.lang.java.programmer:2678 In message , Arved Sandstrom wrote: > On 11-03-30 09:19 PM, Lawrence D'Oliveiro wrote: > >> In message , Arved Sandstrom wrote: >> >>> Normalization is something else - that's not semantics. It's a technique >>> for taking a relational database model and turning it into something >>> practical for use inside an RDBMS. >> >> No it is not. It is integral to the mathematical concept of relations. >> > Lawrence, normalization is basically a set of design techniques > associated with the relational data model, and the relational data model > is a _logical_ data model, not a conceptual one that defines the > semantics. Difference being? > And by the way, if you can't define a relation without using the term > "normalization" then you're missing the point. Maybe you’ve been befogged by SQL, to the point where you don’t notice the mathematics underneath.