| From: | "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com> |
|---|---|
| To: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Historical Data Question |
| Date: | 2007-06-15 05:03:36 |
| Message-ID: | 20070615050336.GB14492@a-kretschmer.de |
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| Lists: | pgsql-general |
am Thu, dem 14.06.2007, um 10:57:43 -0700 mailte Lza folgendes:
> Can anyone help me with this problem?
>
> I have a table in my database that holds information on policies and
> this table is linked to a number of other tables. I need to be able to
> keep a history of all changes to a policy over time. The other tables
> that are linked to policy also need to store historical data. When I
> run a query on the policy table for a certain period, I also need to
> be able to pull the correct related rows (i.e. the information that
> would have been in the table at that time) from the tables linked to
> it.
>
> Does anyone have any suggestions on how to store historical
> information in databases? Any good resources (books, etc..) that cover
> this information?
Maybe this one:
http://www.rueping.info/doc/Andreas%20R&ping%20--%202D%20History.pdf
Andreas
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Andreas Kretschmer
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