-- Create the user 
create user XX
  identified by ""
  default tablespace USERS
  temporary tablespace TEMP
  profile DEFAULT
  password expire;
-- Grant/Revoke role privileges 
grant connect to XX;
grant ctxapp to XX;
grant dba to XX;
grant exp_full_database to XX;
-- Grant/Revoke system privileges 
grant alter any index to XX;
grant alter any table to XX;
grant create any index to XX;
grant create any table to XX;
grant create session to XX;
grant drop any index to XX;
grant drop any table to XX;
grant select any table to XX;
grant unlimited tablespace to XX;

---删除用户时，提示无法删除当前用户链接用户

select 'alter system kill session'''|| to_char(a.sid)||','||to_char(serial#)||'''' from v$session a
where a.username=XX;
--执行查询结果，然后再删除用户

---计划任务

 select job,broken,what,interval,t.* from user_jobs t;
  begin 
 dbms_job.remove(63); 
  end; 

--导出（排除表T_ATTACHMENT）
expdp switch40/switch40@orcl dumpfile = switch40_0606_1907.dmp schemas=switch40 EXCLUDE=TABLE:\"IN ('T_XX')\"
--导入，从刚刚备份的用户switch40到新用户SWITCH52
impdp SWITCH52/SWITCH52@orcl dumpfile = switch40_0606_1907.dmp remap_schema=switch40:SWITCH52