1.Alt +P 进入sftp会话linux
2.pwd显示linux目录 lpwd显示windows目录sql
3.lcd切换windows目录 cd切换linux目录windows
4.put上传spa
5.get下载blog
6.help帮助ip
create or replace view alltest as select a.host as host, a.ip as ip, a.sno as sno1, b.sno as sno2, b.content as content, concat(substring(b.content,8, 2),substring(b.content,12, 2)) as new from test.test1 a left join test.test2 b on trim(a.sno)=trim(b.sno)