Require some suggestion related to OCA

Hi,
I have a basic/intermediate knowledge of SQL ( cleared 1st papar of MySQL DEV exam last year), now because of requirement at work , i have been given an additional responsibility to do Oracle related study and certification.
I am planning to go for Oracle 10G OCA - DBA track, and i am thinking to go for Exam IZ0-042 since my co. is taking care of expenses for oracle class for this one.
In order to do practise and learn i was thinking to install oracle on my machine instead of straight away landing in class with blank face .
Let me know which are the best available options
1) Install windows xp on vmware and then install oracle on vmware , although i am not sure which oracle version should i go for Express Edition or some other edition ?
OR
2) Install oracle on xp i.e.directly on physical machine rather than vmware.
OR
3) Install ubuntu ( not sure of the ubuntu version whethere it should be desktop or server ) and then install oracle
I was inclined towards option 1 or option 2 , since i am not very good at linux stuff, and i dont want to spend much time on linux right now, rather i would prefer concentrating on oracle portion.
Based on your exp. can you suggest me which is the best option and also which version of oracle i should download ?
Oracle Express edition
OR
Standard Edition, Standard Edition One, and Enterprise Edition
Waiting for your reply.
Regards
Learner

1) IMHO If you are going for the oracle database administration then I would avoid 10g XE as one of its features is that it hides some dba stuff under nice simple icons.
(If you were a developer I would be urging you to chose 10g XE)
2) Ensure you database server has enough ram, 1Gb will barely do it and i'd prefer over 2GB.
3) bigdelboy doesnt do vmware so I'll let someone else help you.
4) Be aware that if you install an oracle database on your main machine it may begin to behave like a dog. Determine if this is a problem for you. It is is then you can probably pick up a ddr2 dell 280/620 (or better) with an xp license and hyperthread cpuand up-ramed to 2/4 gb quite cheaply. (Using Oracle enterprise linux can be done for free, ubuntu can run oracle but support can be harder to get).
5) Initially concentrated on the 2-day DBA course:
- [http://www.oracle.com/pls/db102/homepage]
- [http://download.oracle.com/docs/cd/B19306_01/server.102/b14196.pdf]
- [http://www.oracle.com/technology/obe/2day_dba/index.html]
6) If you've been used to MySQL type of SQL you may find Oracle SQL sightly different. Be prepared for this in your class.
7) If you haven't taken the 2nd part of your (Sun) MySQL CMDEV5.0 paper 2 already then the exam has now moved to Sun/prometric and may cost up to 50% more for part II :-(
8) I cannot comment if the training chosen for is is appropriate for the job the employer wishes you to do.
Hoep this gives you a few things to think about.
Rgds- bigdelboy.

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Moderator Message: Basic Question
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Revision: 1978
Author: [email protected]
Date: 2008-06-06 08:05:34 -0700 (Fri, 06 Jun 2008)
Log Message:
Bug: vendors.properties file which is used in vendor specific login commands was not being read properly and as a result some login related error messages were not being displayed correctly.
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