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> My original intention was to keep two sets of tables. The first
> containing only the working set of current records. The second
> containing all prior versions. I haven't experimented with such a setup
> yet and I'm wondering if it is even necessary. The alternative being to
> keep only a single set of tables.
> Can anyone relate their experiences with such a thing? Which approaches
> should I take into consideration?
I like the multi-table approach; I use a schema named "audit" that contains
a copy of some of the important tables (sans constraints). The nice part is
that I can use the exact same table name, which makes things easier. A few
extra columns on each audit table track who made the change, what type it
was (insert, update, or delete [trigger event]), and the time of the change
[default timestamptz]. Throw in some triggers and you're done.
- --
Greg Sabino Mullane greg@turnstep.com
PGP Key: 0x14964AC8 200509192258
http://biglumber.com/x/web?pk=2529DF6AB8F79407E94445B4BC9B906714964AC8
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