Hello Binesh,
I would not change the table ARSAPP directly... (I'm playing a lot with the internals of CMOD... but for some things, I prefere not to)
If you want to change all the 5000 applications, the only would be to use "arsxml", export everything, change the resulting XML to the value you want.
Remove all concerned Application (with arsxml too)
Reinsert all concerned application.
Of course, please do it first in a test environment.
Sincerely yours,
Alessandro