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need to update mySQL table with data from Oracle table.  need code in mySQL procedure or script

Posted on 2013-05-29
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Last Modified: 2013-07-09
I need to run a scheduled job to update data in a mySQL database, and must query an ORACLE database to get values for the update.

I am very comfortable coding pl/SQL and would like to just create a procedure in mySQL to query the ORACLE table....basically in this form

UPDATE mySQLdb.table
SET <mySQLdb.table.fieldtoupdate> = (
      SELECT <ORACLEdb.table.fieldtoget>
      FROM  <ORACLEdb.table>
      WHERE <ORACLEdb.table.id> = <mySQLdb.table.id>)
WHERE mySQLdb.table.fieldtoupdate is NULL;

can I connect to another db from within a mySQL procedure, or do I need to use some different method.  Looking for some expert guidance and examples if possible :-)
*Note, I know it's possible to create a database link in ORACLE but there's a lot of red tape for me to embed code in ORACLE as opposed to just querying from mySQL or external
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Question by:ohmetw
3 Comments
 
LVL 7

Expert Comment

by:Docteur_Z
ID: 39204401
Did you manage to link your 2 DBs ?
If so, how  ?
If not, let you begin that way.
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Author Comment

by:ohmetw
ID: 39204556
ok, I do not know how to do that, and keep in mind I can not embed script in the ORACLE side 'database links'  I can only operate from the mySQL side
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Accepted Solution

by:
MikeOM_DBA earned 2000 total points
ID: 39205986
SQL Server -- or -- mySQL?
On WinDoze?

1) Install Oracle client on your mySQL server.
2) Create ODBC data source
3) Code program or use some utility to query oracle table and update your mwSQL db.

For SQL Server use SSIS.

Here are some useful links:
http://help.jitterbit.com/entries/20964761-How-should-I-connect-to-Oracle-using-ODBC
http://www.cloveretl.com/  <== Free community edition!
:p
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