题解 | 将两个 SELECT 语句结合起来（二）
将两个 SELECT 语句结合起来（二）
https://www.nowcoder.com/practice/ee9ef82f3d6f44b398aedc2fa71db612
select* from OrderItems where quantity=100 union all select* from OrderItems where prod_id like 'BNBG' #where prod_id rlike 'BNBG' order by prod_id;