题解 | #将两个 SELECT 语句结合起来（一）#
将两个 SELECT 语句结合起来（一）
https://www.nowcoder.com/practice/a33d5c0ebf434e00b22e2977a5aa3a90
# union & union all
select
t1.prod_id as prod_id,
t1.quantity as quantity
from OrderItems t1
where t1.quantity = 100
union
select
t2.prod_id as prod_id,
t2.quantity as quantity
from OrderItems t2
where t2.prod_id like 'BNBG%'
order by prod_id
/*SQL;*/
/*
使用子查询
select
t2.prod_id ,
t2.quantity
from OrderItems t2
where t2.quantity in (
select
t1.quantity
from OrderItems t1
where t1.quantity = 100
)
or t2.prod_id like "BNBG%"
order by t2.prod_id
;
*/
投递美团等公司8个岗位
上次被挂了后我连简历都不刷了
