oracle中复制一个用户

现场人员需要将USRDB用户复制出来，弄个USRDB1用户，在这个用户上导入数据做测试。

复制方案的思路:
1.查USRDB的默认表空间，PROFILE，系统权限，对象权限，角色，
2.建新用户，授权，
3.导出USRDB方案
4.导入方案

步骤如下：

-- 1.查USRDB用户的信息SQL> select default_tablespace, temporary_tablespace,profile from dba_users where username='USRDB';DEFAULT_TABLESPACE             TEMPORARY_TABLESPACE           PROFILE------------------------------ ------------------------------ ------------------------------CBS_USER_DAT                   TEMP                           DEFAULT-- 2.建USRDB1用户SQL> create user USRDB1 identified by USRDB1 default tablespace CBS_USER_DAT;-- 3.查出USRDB的系统权限，对象权限，角色SQL> select 'grant '||privilege||' to USRDB1;' from dba_sys_privs where grantee='USRDB';  -->系统权限'GRANT'||PRIVILEGE||'TOUSRDB1;'----------------------------------------------------------grant CREATE ANY SEQUENCE to USRDB1;grant CREATE SEQUENCE to USRDB1;grant CREATE VIEW to USRDB1;grant UNLIMITED TABLESPACE to USRDB1;grant CREATE ANY TRIGGER to USRDB1;grant CREATE PROCEDURE to USRDB1;grant CREATE ANY PROCEDURE to USRDB1;grant CREATE ANY TABLE to USRDB1;8 rows selected.SQL> select 'grant '||privilege||' on '||table_name||' to USRDB1;' from dba_tab_privs where grantee='USRDB';  -->对象权限no rows selectedSQL> select 'grant '||granted_role||' to USRDB1;' from dba_role_privs where grantee='USRDB';  -->角色'GRANT'||GRANTED_ROLE||'TOUSRDB1;'------------------------------------------------grant RESOURCE to USRDB1;grant CONNECT to USRDB1;grant DBA to USRDB1;-- 4.给USRDB1用户制授权运行上一步骤执行得到的结果grant CREATE ANY SEQUENCE to USRDB1;grant CREATE SEQUENCE to USRDB1;grant CREATE VIEW to USRDB1;grant UNLIMITED TABLESPACE to USRDB1;grant CREATE ANY TRIGGER to USRDB1;grant CREATE PROCEDURE to USRDB1;grant CREATE ANY PROCEDURE to USRDB1;grant CREATE ANY TABLE to USRDB1;grant RESOURCE to USRDB1;grant CONNECT to USRDB1;grant DBA to USRDB1;-- 5.导出USRDB方案exp "'sys/oracle as sysdba'" owner=USRDB file=USRDBl.dmp rows=n   -->因为不需要导数据，所以加了rows=n-- 6.导入方案imp "'sys/oracle as sysdba'" fromuser=USRDB touser=USRDB1 file=USRDBll.dmp