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/9e4741b77f4244149a069883bc0d23be
SELECT DISTINCT prod_id FROM OrderItems ;
检索并列出已订购产品的清单
https://www.nowcoder.com/practice/9e4741b77f4244149a069883bc0d23be
SELECT DISTINCT prod_id FROM OrderItems ;
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