sql語句排序兩個條件:
seq desc
id desc
錯誤寫法
select * from hc_product where flag=1 order by seq,id desc
這種把兩個條件連在一起 seq,id desc 寫法,會忽略掉前面的seq
正確寫法
select * from hc_product where flag=1 order by seq desc,id desc
sql語句排序兩個條件:
seq desc
id desc
select * from hc_product where flag=1 order by seq,id desc
這種把兩個條件連在一起 seq,id desc 寫法,會忽略掉前面的seq
select * from hc_product where flag=1 order by seq desc,id desc