linux下oracle启动
root> su - oracle
[oracle@websvr1 oracle]$ sqlplus /nolog
SQL> connect / as sysdba
SQL> startup
SQL> quit
[oracle@websvr1 oracle]$ lsnrctl start
可用 [oracle@websvr1 oracle]$ lsnrctl status 查看监听是否已经启动
关闭步骤：
su - oracle
[oracle@websvr1 oracle]$ lsnrctl stop
[oracle@websvr1 oracle]$ sqlplus /nolog
SQL> connect / as sysdba
SQL> shutdown immediate
SQL> quit
