ORA-01031: insufficient privileges解决方案

ORA-01031: insufficient privilegesSYS AS SYSDBAshow userUSER is SYSTEMSYS AS SYSDBA shutdown im

ORA-01031: insufficient privileges
SYS AS SYSDBA> show user
USER is "SYSTEM"
SYS AS SYSDBA> shutdown immediate;
ORA-01031: insufficient privileges

怎么解决?

[解决办法]
conn system/密码 as sysdba