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
select * from OrderItems where quantity =100 union all select * from OrderItems where prod_id like "BNBG%" order by prod_id
知识点:
1 union(all)的用法