| From: | Josh Berkus <josh(at)agliodbs(dot)com> |
|---|---|
| To: | Jeandre du Toit <jeandre(at)itvs(dot)co(dot)za>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Table Relationships |
| Date: | 2003-05-30 16:06:43 |
| Message-ID: | 200305300906.43044.josh@agliodbs.com |
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| Lists: | pgsql-performance |
Jeandre,
> instead of normalizing the database. I think that they think that joining
> tables will slow down retrieval, is this true?
No, it's not. I'm afraid that your co-workers learned their computer
knowledge 10 years ago and have not kept up to date. They may need
retraining.
Modern database systems, especially PostgreSQL, are much faster with a proper
relational schema than with an inadequate flat-file table, due to the
efficient storage of data ... i.e., no redundancy.
I highly suggest that you take a look at the book "Database Design for Mere
Mortals"; if you're asking the question you posted, you are nowhere near
ready to build a production database application.
--
Josh Berkus
Aglio Database Solutions
San Francisco
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