开课吧 互联网全链路产品设计2022
2022-12-10 11:37 作者:janet19961217 | 我要投稿
ND) AS male_count,
COUNT(CASE
WHEN sex = '2' THEN sex END) AS female_countFROM
user;
7.2 转换
select
phone,
case coupon_order_state when 0 then '待使用'
