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 all select prod_id, quantity from OrderItems where prod_id like 'BNBG%' order by prod_id;
可以使用union 或union all
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