Authentication of database through the database link

Is it posible to use database authentication in the APEX by link of database and how?

Also is it posible to reading user roles through the database link?

Database links to establish the connection, so you lose the context regarding which is recorded in a single user.

Custom authentication can do some PL/SQL you need, but I would say that replicate your tables locally through something as materialized views.

You could also potentially be used dba_role_privs, but do not forget roles can be turned on/off.

Tags: Database

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