Groups > comp.lang.java.programmer > #2678

Re: ORM or JDBC?

From	Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand>
Newsgroups	comp.lang.java.programmer
Subject	Re: ORM or JDBC?
Followup-To	comp.lang.java.programmer
Date	2011-04-01 13:10 +1300
Organization	Geek Central
Message-ID	<in3558$2ts$4@lust.ihug.co.nz> (permalink)
References	(7 earlier) <7rudncLSMpvB0A3QnZ2dnUVZ876dnZ2d@telenor.com> <imr1mt$c2j$6@lust.ihug.co.nz> <TVhkp.2110$sS4.2012@newsfe11.iad> <in0h9u$i5i$4@lust.ihug.co.nz> <IX7lp.805$YL5.263@newsfe05.iad>

Followups directed to: comp.lang.java.programmer

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In message <IX7lp.805$YL5.263@newsfe05.iad>, Arved Sandstrom wrote:

> On 11-03-30 09:19 PM, Lawrence D'Oliveiro wrote:
>
>> In message <TVhkp.2110$sS4.2012@newsfe11.iad>, 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.

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Re: ORM or JDBC? Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-03-31 13:19 +1300
  Re: ORM or JDBC? Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2011-03-31 20:16 -0300
    Re: ORM or JDBC? Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-04-01 13:10 +1300
      Re: ORM or JDBC? Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2011-04-01 20:12 -0300
        Re: ORM or JDBC? Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-04-02 15:45 +1300
          Re: ORM or JDBC? Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2011-04-02 09:21 -0300
    Re: ORM or JDBC? Tom Anderson <twic@urchin.earth.li> - 2011-04-01 22:38 +0100
      Re: ORM or JDBC? Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2011-04-01 20:03 -0300
        Re: ORM or JDBC? Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand> - 2011-04-02 15:44 +1300
          Re: ORM or JDBC? Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2011-04-02 09:35 -0300
            Re: ORM or JDBC? Lew <noone@lewscanon.com> - 2011-04-02 10:25 -0400

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