求这种统计SQL语句如何写

求这种统计SQL语句怎么写
现在有张表 baoming,里面有kh(考号),yw(语文),sx(数学),yy(英语)等几个科目的字段,当某个学生相应科目比如语文报了名以后字段值为true,数学没报则为false,我怎么用比较简单的语句统计出各科的报名情况(就是报名人数),下面是我想像中的SQL语句,怎么加条件分别判断各科,高手帮帮忙

SQL code

select count(yw) as yw,count(sx) as sx,count(yy) as yy,count(wl) as wl,count(hx) as hx,count(zz) as zz,    count(ls) as ls,count(sw) as sw,count(dl) as dl,count(xx) as xx     from baoming

SQL code

select sum(yw*1) as yw,sum(sx*1) as sx,sum(yy*1) as yy,sum(wl*1) as wl,sum(hx*1) as hx,sum(zz*1) as zz,    sum(ls*1) as ls,sum(sw*1) as sw,sum(dl*1) as dl,sum(xx*1) as xx     from baoming