显示service表的所有行，所有列，下列sql语句正确的是：( )
select * from service;
select all.* from service;
select all from service;
select /* from service;
青云测评
青云测评
显示service表的所有行，所有列，下列sql语句正确的是：( )
select * from service;
select all.* from service;
select all from service;
select /* from service;
