1.sqlcmd用Sa登陆

2.windows登陆

启动mssqlserver
net start mssqlserver

insert into message values(2,'test','test');
delete from message where id=2;
update message set username='cw'where id=2;
select * from message;
insert into message values(2,'test','test');
delete from message where id=2;
update message set username='cw'where id=2;
select * from message;