常用mysql

Posted 2020-10-25 谢礼森

搜索差价

select count(*) from gate_okex_cj;
select 
    *
from 
    (select count(*) as a_cj,coin from gate_okex_cj where a_cj>0.006 group by coin) a
left join 
    (select count(*) as b_cj,coin from gate_okex_cj where b_cj>0.006 group by coin) b
on
    a.coin=b.coin;