[另一个启动oracle数据库的例子] d:/> sqlplus internal/oracle sql> startup force //强行重新启动数据库。
[修改口令字] sql> grant connect to system identified by newpassword; //如果用数字作口令,需要使用双引号括起来 sql> grant connect to sys identified by newpassword; sql> alter user system identified by newpassword; sql> alter user sys identified by newpassword; sql>password //需要输入原口令