Can I set the Datasource/Conn-pool credential programmatically ?

Hi all,
Within our ADF BC + Faces application, we use Crystal Report for our reporting solution.
Crystal use different db connection from one used by the ADF BC. so I create a Datasource in OAS, to be used only by Crystal Report.
Here is my problem :
We also use VPD. So I have requirement to login as DifferentUser to make the VPD run correctly.
How can I programmatically set the username and password of the datasource/conn-pool based on who is logging in to the application ?
Thank you for your help,
xtanto

Good question; I don't know the answer. Try a post in the Identity Management section.
Perhaps something with Enterprise Authentication may help.

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