--建立表空間
CREATE   TABLESPACE caiyl
DATAFILE 'D:\Oracle\app\caiyl\oradata\orcl\caiyl_space.dbf' size 500m
AUTOEXTEND ON 
NEXT 200M MAXSIZE 20480M 
EXTENT MANAGEMENT LOCAL;


--建立臨時表空間

CREATE TEMPORARY TABLESPACE caiyl_temp

TEMPFILE 'D:\Oracle\app\caiyl\oradata\orcl\caiyl_temp.dbf' 

SIZE 200M

AUTOEXTEND ON
 


NEXT 50M MAXSIZE 20480M

EXTENT MANAGEMENT LOCAL;

--建立使用者並指定表空間

CREATE USER caiyl IDENTIFIED BY 123456 DEFAULT TABLESPACE caiyl_space;

--建立使用者並指定表空間和臨時表空間
CREATE USER caiyl IDENTIFIED BY 123456

DEFAULT TABLESPACE caiyl_space

TEMPORARY TABLESPACE caiyl_temp;

--授權使用者
GRANT CREATE USER,DROP USER,ALTER
 
 USER ,CREATE ANY VIEW ,

     DROP ANY VIEW,EXP_FULL_DATABASE,IMP_FULL_DATABASE,

     DBA,CONNECT,RESOURCE,CREATE SESSION TO  caiyl;

--授權標準許可權（開發許可權）
GRANT   CONNECT,RESOURCE   TO  caiy1

--檢視臨時表空間
SELECT TABLESPACE_NAME FROM DBA_TABLESPACES;

--增加表空間大小
ALTER TABLESPACE caiyl_space ADD DATAFILE '
 
D:\Oracle\app\caiyl\oradata\orcl\caiyl_space.dbf' size 4096M;

--增加臨時表空間大小
ALTER DATABASE TEMPFILE 'D:\Oracle\app\caiyl\oradata\orcl\caiyl_temp.dbf' RESIZE 8192M;
--刪除使用者
DROP USER caiyl CASCADE    

--刪除表空間
DROP TABLESPACE caiyl_space INCLUDING CONTENTS AND DATAFILES;

--查詢使用者資訊
select * from dba_users  order  by   created desc

--檢視你能管理的所有使用者：
select * from all_users;  

--檢視當前使用者資訊 ：
select * from user_users; 

--檢視使用者許可權 
--檢視所有使用者
SELECT * FROM DBA_USERS;
SELECT * FROM ALL_USERS;
SELECT * FROM USER_USERS; 
--檢視使用者系統許可權
SELECT * FROM DBA_SYS_PRIVS;
SELECT * FROM USER_SYS_PRIVS; 
--檢視使用者物件或角色許可權
SELECT * FROM DBA_TAB_PRIVS;
SELECT * FROM ALL_TAB_PRIVS;
SELECT * FROM USER_TAB_PRIVS; 
--檢視所有角色
SELECT * FROM DBA_ROLES; 
--檢視使用者或角色所擁有的角色
SELECT * FROM DBA_ROLE_PRIVS;
SELECT * FROM USER_ROLE_PRIVS;