Which default Database roles are created when you create a Database?

Which default Database roles are created when you create a Database?
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1 Answer

Answer :

CONNECT , RESOURCE and DBA are three default roles. The DBA_ROLES data dictionary view can be used to list all  roles of a database and the authentication used for each role.
The following query lists all the roles in the database:
SELECT * FROM DBA_ROLES;
ROLE PASSWORD
---------------- --------
CONNECT NO
RESOURCE NO
DBA NO
SECURITY_ADMIN YES
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