Re: Fwd: Re: Can I search for an array in csf?

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: vernonw(at)gatewaytech(dot)com, pgsql-sql(at)postgresql(dot)org
Subject: Re: Fwd: Re: Can I search for an array in csf?
Date: 2002-10-22 03:02:52
Message-ID: 200210212002.52843.josh@agliodbs.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-sql


Vernon,

> >> One field of a table stores an array of characters in a string fromat as
> >> "a,b,c,d". Is anyway to apply a select statement without using stored
> >> procedure?

> The reason I use this format for an array is that the array is dynamic. I
have quite few cases of this type of situation. The
> maximize length in some cases is known, is unknown in others. I have learnt
the comment separated format is one way
> to solve the problem. Someone also suggested to store the array as an
object. I am not sure whether it works or not.
> The application is written in Java, by the way.

You should store this data in a sub-table linked through a foriegn key.
Period. Messing with arrays will only lead you to heartache ...

Try the book "Database Design For Mere Mortals" for a primer on SQL DB design.

--
-Josh Berkus
Aglio Database Solutions
San Francisco

In response to

Responses

Browse pgsql-sql by date

  From Date Subject
Next Message Achilleus Mantzios 2002-10-22 07:49:42 Re: Fwd: Re: Can I search for an array in csf?
Previous Message Vernon Wu 2002-10-22 02:55:39 Fwd: Re: Can I search for an array in csf?