Know the relationship of datafiles to tablespaces. Tablespaces are built on one or more datafiles— bigfile tablespaces on a single datafile and smallfile tablespaces on one or more datafiles.
Understand the statements needed to create, modify, and drop tablespaces. Use a CREATE TABLESPACE, ALTER TABLESPACE, or DROP TABLESPACE statement to create, modify, and drop a tablespace.
Know how to take tablespaces offline and what consequences the offline immediate option poses. Use an ALTER TABLESPACE statement to take a tablespace offline or bring it online. If you use the offline immediate option, you must perform media recovery when you bring it back online.
Know how to use the EM Database Control to view tablespace information ...