If the session logon is directory-based, refer to the following table.
|Assigned a set of directory-managed roles and does not change the current role||'EXTERNAL'|
|Uses a SET ROLE EXTERNAL statement|
||Name of the default role of the permanent user|
|Uses a SET ROLE role_name statement, where role_name is either a directory-managed or database-managed role||Name of the specified role|
|Uses a SET ROLE ALL statement||'ALL'|
|Uses a SET ROLE NONE statement|
|Uses a SET ROLE NULL statement|