How do I execute a procedure or function written in VB from an Oracle trigger?
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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