Re: DBA Skill tree
- From: Maria Gurenich <gurenich@xxxxxxxxx>
- To: sacrophyte@xxxxxxxxx, Oracle L <oracle-l@xxxxxxxxxxxxx>
- Date: Fri, 3 Apr 2009 10:24:08 -0400
Well, how about years of experience for starters? IMHO, OCP with 2 years of
experience could not beat old school DBA with 10 years of experience even
though the newbie thinks that he/she knows all new features. I haven't had
chance to wrote down my thoughts, but being on a couple of interview so far,
I end up with something like this:
newbie - from school to 2 yrs of experience, is able to maintain database
without unexpected downtimes, is able to make, test and keep backups and
recovery and even if doesn't know for sure, feels with his/her guts where
the problem is.
standart - 2-5 yrs, includes all basics, is able to assess, judge, improve
the existing strategies, is able to predict and plan before hand,
understands company's benefits "using RMAN instead of hotbackups", does not
need significant amount of time to figure out where the problem is, is ready
with the correct (reasonable) answer for almost all questions.
advanced - 7+ yrs, should be standart for all these years, and also be an
expert in non-standart features: RAC, HA, RASP, architecture design.. Should
be heavily involved in business part of the deal, meaning that he/she not
only maintains his/her databases, but totally understands the business needs
and the impact of downtime. This would be somebody who understands hardware
part, is able to distinguish between small nuances, has a solid knowledge of
database internals, is able to work productively without any gudget/tool,
e.g. can fix anything from the command line balancing his/her laptop on the
knee. Somebody who is able to train newbie and standart, who understands
that database IS for developers rather than something that he/she has to
protect FROM developers. Please, don't underestimate this fact. I've seen a
lot of experienced DBAs, who absolutely seriously think that their job is to
protect the database from intruders like developers and end users. IMHO,
these are obvious signs of unripeness.
HTH,
M
On Fri, Apr 3, 2009 at 8:49 AM, Charles Schultz <sacrophyte@xxxxxxxxx>wrote:
> After mulling this over with a few folks, I thought to hit a larger
> audience. Has anyone done work to identify basic, standard and advanced DBA
> skills? Oracle University has an interesting framework with their
> certification program, but I find it lacking in several different ways and
> looking for something a little more realistic and practical.
> Tying together some other blog posts, I had a strange thought about basing
> it off RPG-style skill points and how one builds a character in the virtual
> world (so all you WOW fans should jump on this! *grin*):
>
> http://orajourn.blogspot.com/2009/04/if-oracle-were-mmo-what-skills-would.html
>
> --
> Charles Schultz
> Sent from Champaign, Illinois, United States
>
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