All Questions in One Site: Name a tablespace, which is automatically created when you create a database.

Name a tablespace, which is automatically created when you create a database. | Oracle DBA

The SYSTEM tablespace is created automatically during database creation. It contains data dictionary objects.
All data stored on behalf of stored PL/SQL program units (procedures, functions, packages, and triggers) resides In the SYSTEM tablespace, which Is always online when the database is open.

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Name a tablespace, which is automatically created when you create a database. | Oracle DBA