Re: PostgreSQL Object-Oriented Database?
От
Grzegorz Jaśkiewicz
Тема
Re: PostgreSQL Object-Oriented Database?
Дата
Msg-id
2f4958ff0904270726p6f750018k3b209c716dceeb32@mail.gmail.com
Ответ на
PostgreSQL Object-Oriented Database? (Robert Pepersack)
Список
Дерево обсуждения
PostgreSQL Object-Oriented Database? "Robert Pepersack" <RPepersack@mdinsurance.state.md.us>
Re: PostgreSQL Object-Oriented Database? Bill Moran <wmoran@potentialtech.com>
Re: PostgreSQL Object-Oriented Database? "Robert Pepersack" <RPepersack@mdinsurance.state.md.us>
Re: PostgreSQL Object-Oriented Database? Bill Moran <wmoran@potentialtech.com>
Re: PostgreSQL Object-Oriented Database? Eric Schwarzenbach <subscriber@blackbrook.org>
Re: PostgreSQL Object-Oriented Database? Bill Moran <wmoran@potentialtech.com>
Re: PostgreSQL Object-Oriented Database? marcin mank <marcin.mank@gmail.com>
Re: PostgreSQL Object-Oriented Database? "Joshua D. Drake" <jd@commandprompt.com>
Re: PostgreSQL Object-Oriented Database? Jeff Soules <soules@gmail.com>
Re: PostgreSQL Object-Oriented Database? Martin Gainty <mgainty@hotmail.com>
Re: PostgreSQL Object-Oriented Database? Alvaro Herrera <alvherre@commandprompt.com>
Re: PostgreSQL Object-Oriented Database? Grzegorz Jaśkiewicz <gryzman@gmail.com>
Re: PostgreSQL Object-Oriented Database? Richard Broersma <richard.broersma@gmail.com>
Re: PostgreSQL Object-Oriented Database? Christophe <xof@thebuild.com>
Re: PostgreSQL Object-Oriented Database? Johan Nel <johan555.nel555@xsinet555.co.za>
On Mon, Apr 27, 2009 at 3:00 PM, Robert Pepersack wrote: > Hi, > > Thanks in advance for your help. > > I have a lot of experience with object-oriented programming and relational > databases, but I'm new to PostgreSQL. > > My agency has a contractor that created a PostgreSQL database that he calls > "object-oriented". I noticed that the contractor has more than one value in > a column separated by commas. In the relational world, this obviously > violates first normal form. When I asked about it, he said that it's > because PostgreSQL is an "object-oriented database". I'm very skeptical. > > Can someone tell me if this guy is right? Where I am from, it is very wrong approach. But most importantly, is what is the search key in his queries. If that text field is, and he uses loads of "LIKE" statements, than yes - he obviously doesn't know databases well enough to use them properly. -- GJ
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