ALL_SCHEDULER_CREDENTIALS displays information about the credentials accessible to the current user (that is, those credentials that the user has ALTER or EXECUTE privileges for).
DBA_SCHEDULER_CREDENTIALS displays information about all credentials in the database.
USER_SCHEDULER_CREDENTIALS displays information about the credentials owned by the current user. This view does not display the OWNER column.
| Column | Datatype | NULL | Description | 
|---|---|---|---|
| OWNER | VARCHAR2(30) | NOT NULL | Owner of the Scheduler credential | 
| CREDENTIAL_NAME | VARCHAR2(30) | NOT NULL | Name of the Scheduler credential | 
| USERNAME | VARCHAR2(64) | NOT NULL | Name of the user that will be used to log in to the remote database or operating system | 
| DATABASE_ROLE | VARCHAR2(7) | For a database target, the database role to use when logging in: 
 | |
| WINDOWS_DOMAIN | VARCHAR2(30) | For a Windows target, the Windows domain to use when logging in | |
| COMMENTS | VARCHAR2(240) | Comments on the credential |