create tablespace USERTBS1
datafile 'D:\app\Administrator\product\usertbs1.dbf' size 20M
extent management local autoallocate;
create tablespace USERTBS2
datafile 'D:\app\Administrator\product\usertbs2.dbf' size 50M
extent management local uniform size 512k
segment space management manual;
alter database
datafile 'D:\app\Administrator\product\usertbs1.dbf'
autoextend on next 5M maxsize 100M;
create temporary tablespace TEMPTBS
tempfile 'D:\app\Administrator\product\temptbs.dbf' size 20M
extent management local uniform size 16k;
alter tablespace USERTBS1 offline;
alter tablespace USERTBS1 online;