题解 | #返回购买价格为 10 美元或以上产品的顾客列表#
返回购买价格为 10 美元或以上产品的顾客列表
https://www.nowcoder.com/practice/827eb2a210c64ccdb8ec28fe4c50c246
/*select cust_id from OrderItems a,Orders b where a.order_num=b.order_num and a.item_price>=10;*/ /*select cust_id from OrderItems a left join Orders b on a.order_num=b.order_num where a.item_price>=10;*/ select cust_id from Orders b where b.order_num in (select order_num from OrderItems where item_price>=10 ) ;
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