$ sqlplus / as sysdba SQL> create table scott.test_users (id number(4)) tablespace users; create table scott.test_users (id number(4)) tablespace users * ERROR at line 1: ORA-01950: no privileges on tablespace 'USERS' SQL> alter user scott quota unlimited on users; User altered. SQL> create table scott.test_users (id number(4)) tablespace users; Table created.