From: | Darcy Buskermolen <darcy(at)wavefire(dot)com> |
---|---|
To: | pgsql-advocacy(at)postgresql(dot)org |
Subject: | Re: PostgreSQL contra Oracle |
Date: | 2005-10-31 19:28:11 |
Message-ID: | 200510311128.11416.darcy@wavefire.com |
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Lists: | pgsql-advocacy |
On Monday 31 October 2005 07:22, Kaare Rasmussen wrote:
> While we're talking Oracle... :-)
>
> I attended an Oracle sales talk last week. Well, it was labeled "Technical
> information", but that's another story.
>
> I'd like to ask if PostgreSQL has some of the features being promoted.
>
> Log miner. A tool that walks the Undo logs an returns statements to update
> with old data. Could be useful for recovering specific table data, Data
> Mining etc.
> In the PostgreSQL world, it couldn't be dificult to do the same with WAL,
> or?
>
> Locator. As I recall, it is a GIS app, written into Oracle. Someone may
> know more?
If it's GIS then postgis (http://www.postgis.org) is probably the closest
thing we (being the PostgreSQL community, not the project itself) have to it.
>
> Feature index. Interesting feature from Virage. It indexes LOBs, say a
> picture or an videostream. Makes it possible to find closest match.
This sounds like a form of meta data. I would think it requires some sort of
middleware to do effectively. But it's not outside of the realm of being
feasible.
>
> Fine Grain Audit. Some rules based autit mechanism where you can log e.g.
> all access to specific data.
>
> Information Life Cycle Management. A built-in way to degrade data
> importance. Maybe you want to move old rows onto cheaper disks, compress
> them or so.
I would think this would be easy to implement with the use of triggers,
tablespaces, partitioning / constraint exclusion and some hefty business
logic rules.
>
> ---------------------------(end of broadcast)---------------------------
> TIP 2: Don't 'kill -9' the postmaster
--
Darcy Buskermolen
Wavefire Technologies Corp.
http://www.wavefire.com
ph: 250.717.0200
fx: 250.763.1759
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