题解 | #检索并列出已订购产品的清单#
检索并列出已订购产品的清单
https://www.nowcoder.com/practice/674d99a46a96494d8267ae4d162ed459
select order_num,prod_id,quantity from OrderItems where quantity >=100 and prod_id in ('BR01','BR02' ,'BR03') order by order_num ,quantity desc
注意：
1 字符型的值 要加“”
2 筛选出某个字段xx中的aa，bb，使用 where xx in ('aa','bb')
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