oracle表创建出现ORA-01109: 数据库未打开,ORA-01081: 无法启动已在运行的 ORACLE - 请先将其关闭,ORA-01109

1.先登录进去：sqlplus / as sysdba

2.连接：conn / as sysdba

3.查看例程状态：select status from v$instance;

 发现是MUOUNT的状态时输入下面两个命令:

shutdown immediate

startup nomount

 4.查看例程状态：select status from v$instance;发现是STARTED

 5.输入命令：

alter database mount;

alter database open;

6.然后就能创建表