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Need to run an alter system statement at startup

Posted on 2011-03-24
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Last Modified: 2012-05-11
I need to run an alter system statement every time the Oracle Database (11G R2 Windows) starts, to open an encryption wallet.  Is there a way to do this within Oracle?  I looked in the scheduler and I don't see an option.  Will I have to a Windows script to accomplish this?

Thanks
Brian
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Question by:bmcdowell540
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7 Comments
 
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Expert Comment

by:sdstuber
ID: 35209718
have you tried an AFTER STARTUP trigger?

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sdstuber earned 500 total points
ID: 35209743
the trigger will need to be owned by a privileged user (with direct grants, not just through a role)

it might look something like this...

CREATE OR REPLACE TRIGGER trg_open_wallet_on_startup
AFTER STARTUP
ON DATABASE
BEGIN
   execute immediate 'alter system set encryption wallet open .....';
END trg_open_wallet_on_startup;
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Author Closing Comment

by:bmcdowell540
ID: 35209754
Exactly what I was looking for, thanks.
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Author Comment

by:bmcdowell540
ID: 35209810
Would it be a security issue if I ran this as sys?  Currently that is how it is being done as a Windows script.
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Expert Comment

by:sdstuber
ID: 35209849
it is neither more nor less secure

it does need to be done by a privileged user  but doesn't need to be SYS.

you might want to create a new dedicated user that has no privileges except CREATE TRIGGER and ALTER SYSTEM,  that way you're not creating objects in Oracle's schemas
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Expert Comment

by:sdstuber
ID: 35209859
actually, the trigger should be slightly "more" secure, since there is no OS file involved that could be manipulated to do other things
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Author Comment

by:bmcdowell540
ID: 35210921
Thanks for your help.
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