How to do this in oracle ?

Hello,
from time to time i have to process two text-files that i receive from a 3rd party application. The "processing" is pretty simple, i only have to filter out some data with a sql query that is not complex at all. The filtered results have to be stored as a csv file on the harddisk.
So far i've been using MS Access for this but now i would like to switch this to oracle.
Now i was wondering if some of you can suggest me whats the best way of doing this. I would like to automate things as much as possible, for example just calling some stored procedure.
Would you use external tables rather than sqlloader to get access to the data in the text files ? Beside using the spool command to create the csv files are there better ways to write the flat file ?

One approach could be like this.
1. create an external table for each file separately. This would enable access to the two query with simple SQL.
2. Now you can do your "Processing" over the external table. Note that external tables are read only.
3. Once the processing is done then use UTL_FILE to create the new file you want in the server directory.
The advantage of using External Table and UTL_FILE is that they are part of oracle database. They are not external tools of oracle. But SQL Loader is an external tool and Spool is a SQL Plus feature which is again an external tool. So when you want to automate something using PL/SQL they wont be handy.
Thanks,
karthick.

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Declare
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Begin
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user505326 wrote:
Hi All,
How to get the below result:
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oracle user wrote:
All,
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918440 wrote:
Hi friends,
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Handle:     918440
Status Level:     Newbie
Registered:     Mar 2, 2012
Total Posts:     20
Total Questions:     10 (10 unresolved)
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======================
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=================
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==============================
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========================
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================
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lony wrote:
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Lony

lony wrote:
HI Friends,
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Lony

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http://www.google.co.in/search?hl=en&q=Oracle+forms+%2B+SHIFT+key+%2B+Select&meta=
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How to do this in oracle ?

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