環境變量path若是配置過D:\oracle\product\10.2.0\db_1\bin;
在cmd下能夠直接使用sqlplus
無登錄狀態進入sqlplus
c:\> sqlplus /nolog
使用system帳號以sysdba的身份鏈接
SQL> connect system/tukeping as sysdba
查看當前用戶
SQL> show user
新建用戶
SQL> create user tkp1 identified by tkp1;
受權
SQL> grant connect,resource to tkp1;
退出sqlplus
SQL> quit
以tkp1用進入到sqlplus
c:\> sqlplus tkp1/tkp1
查看全部用戶
SQL> select * from all_users;
退出
SQL> quit
以sysdba身份進入刪除tkp1用戶
c:\> sqlplus system/tukeping
SQL> drop user tkp1 cascade;
建立表空間
SQL> create tablespace test1 datafile 'd:\oracle\tablespace\tabletest1.dbf' size 50M;
建立名爲tkp1的用戶,其缺省表空間爲test1
SQL> create user tkp1 identified by tkp1 default tablespace test1;
查看系統能給的全部權限
SQL>select name from sys.system_privilege_map;
查看當前鏈接用戶的全部權限
SQL> select * from user_sys_privs;
移除tkp1的sysdba權限
SQL> revoke sysdba from tkp1;
SQL>commit;
關閉oracle數據庫
SQL>shutdown immediate;
開啓oracle數據庫
SQL>startup
此外:能夠用system帳戶以dba身份用PL/SQL進入,進行以上全部操做
博外知識:
drop user xxx cascade;(刪除用戶下面的全部對象,注意關鍵字cascade)
drop tablespace xxx INCLUDING CONTENTS;(刪除表空間)
create user user1 identified by password default tablespace users temporary temp;(建立user1,密碼爲password,使用的表空間爲tablespace)
grant connect,resource,dba to user1;(賦予權限)
connect sys/密碼 as sysdba;
ALTER USER "SCOTT" IDENTIFIED BY "*******" (修改SCOTT用戶密碼)
ALTER USER "SCOTT" ACCOUNT UNLOCK(爲SCOTT用戶解鎖)
1.查看全部用戶:
select * from dba_user;
select * from all_users;
select * from user_users;
2.查看用戶系統權限:
select * from dba_sys_privs;
select * from all_sys_privs;
select * from user_sys_privs;
3.查看用戶對象權限:
select * from dba_tab_privs;
select * from all_tab_privs;
select * from user_tab_privs;
4.查看全部角色:
select * from dba_roles;
5.查看用戶所擁有的角色:
select * from dba_role_privs;
select * from user_role_privs;
顯示當前鏈接用戶:show user;
ALTER USER test DEFAULT TABLESPACE users QUOTA UNLIMITED ON users; (修改用戶默認表空間) ALTER USER test TEMPORARY TABLESPACE temp;(修改用戶臨時空間)