http://blog.itpub.net/29519108/viewspace-1443918/
刚开始创建时,千万别点容器数据库,不然后面新建用户时,用户名前得加C##。
常用命令:
sqlplus /nologconnect sys as sysdbastartup mountalter database open;
connect / as sysdbaalter user sys identified by pwd