oracle常用语句

用户相关命令

--创建表空间
create tablespace mcd_ts datafile 'D:appmamporadataorclmcd_data.dbf' size 20480M;

--删除表空间
DROP TABLESPACE mcd_ts INCLUDING CONTENTS AND DATAFILES CASCADE CONSTRAINTS;

--创建用户
create user MCD_GZ identified by mcd_gz default tablespace mcd_ts;

--表示把 connect，resource权限授予MCD_GZ用户
grant connect，resource to MCD_GZ;

--表示把 dba权限授予给testone用户 ,授权完成
grant dba to MCD_GZ; 

-- 修改密码
alter user XXXUSER identified by xxpass;

-- 解锁账号
alter user XXXUSER identified by oracle account unlock;