How to run batch file using trigger?

Hi, i am trying run a batch file using a trigger on a table.
say i have a table XYZ(col_1 varchar2 primary key, col_2 varchar2)
the values of col_2 keeps changing and col_1 are constant
whenever the value of col_2 in any row changes from "on" to "off" i want to run a batch file C:\Users\ABC\Desktop\test.bat
i did some searching but couldn't find any solution. Thanks in advance
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production

>
the script will be started around 60-70 times a day
>
No - as marwim said the script will be executed every time the trigger is fired. And that trigger, depending on how it is written, might be fired several times for the same transaction.
And if the trigger is fired the script will be executed even if the transaction that caused the trigger to fire issues a ROLLBACK.
Triggers are non-transactional. You need to clearly define the business rules for when the script should run. Should it run only when the transaction is COMMITTED? Or should it run if the transaction executes even if the transaction performs a ROLLBACK?
A trigger is the wrong solution for your problem.
Please clarify what the business rules are that should control the execution of the script.

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how to run batch file using trigger?

Hallo,
welcome to the forum.
This is the forum for the tool {forum:id=260}. Your question should be placed in {forum:id=75} or {forum:id=61}.
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