Generally, you do not have to adjust the Oracle default values. However, if you believe this may be useful in individual cases, you can use the following commands: Changing the default tablespaces for a user: ALTER USER DEFAULT TABLESPACE ; Changing the tablespace defaults of the storage parameters: ALTER TABLESPACE DEFAULT STORAGE (INITIAL ); ALTER TABLESPACE DEFAULT STORAGE (NEXT ); ALTER TABLESPACE DEFAULT STORAGE (MAXEXTENTS ); ALTER TABLESPACE DEFAULT STORAGE (PCTINCREASE ); Changing the partition defaults for tables: ALTER TABLE “” MODIFY DEFAULT ATTRIBUTES TABLESPACE ; ALTER TABLE “” MODIFY DEFAULT ATTRIBUTES STORAGE (INITIAL ); ALTER TABLE “” MODIFY DEFAULT ATTRIBUTES STORAGE (NEXT ); ALTER TABLE “” MODIFY DEFAULT ATTRIBUTES STORAGE (MAXEXTENTS ); ALTER TABLE “<