How to continue working while database function running ?

Hi,
i have database function in oracle that do a mass database updating.
this function takes about 10-15 min to work.
i need to start it by user.
anyway, my problem is that:
i need to start this function, but continue of working in the application, and when the function is finish to have the return value that tell me if it succeeded or not.
now when i start this function, i can't continue to work with the application.

use the THREAD Object.

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How to continue working while database function running ?

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