How do I execute a procedure or function written in VB from an Oracle trigger?
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Unfortunately, Oracle does not include any native way to execute VB code from within the database. This includes triggers, functions, procedures, and any PL/SQL block. Oracle does provide the ability to run external C++ routines and Java within the database. In order to run the VB code, you'll have to make your trigger run either an external C++ routine or Java and then have that routine run your VB code as host callout. The AskTom Web site has some good examples of both of these.
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