SQL> alter tablespace DEBORAH_LARGE_DATA offline;
 
Tablespace altered.
 
SQL> drop tablespace DEBORAH_LARGE_DATA including content;
drop tablespace DEBORAH_LARGE_DATA including content
                                             *
ERROR at line 1:
ORA-01911: CONTENTS keyword expected
 
 
SQL> drop tablespace DEBORAH_LARGE_DATA including contents;
 
Tablespace dropped.