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 prod_id,quantity from OrderItems where quantity = "100" union select prod_id,quantity from OrderItems where prod_id like "BNBG%"
连接表,union,连接行