How to create a tablespace named TABLE in Oracle :

Connect  Sys as sysdba 

CREATE TABLESPACE TABLES  DATAFILE 

'D:\APP\MOHANTY\ORADATA\ORCL\TABLES.DBF' SIZE 125440K AUTOEXTEND ON NEXT 1280K MAXSIZE UNLIMITED

LOGGING

ONLINE

EXTENT MANAGEMENT LOCAL AUTOALLOCATE

BLOCKSIZE 8K

SEGMENT SPACE MANAGEMENT AUTO

FLASHBACK ON;

-- The default table space can be  changed by the below command .

Alter database default tablespace TABLES; 

SELECT USERNAME, DEFAULT_TABLESPACE, TEMPORARY_TABLESPACE

from DBA_USERS

where USERNAME='HR';

--Next time when we will create a table by CREATE TABLE COMMAND it will be in "TABLES"  tablespace.

Cheers

Rajani