题解 | #确定已售出产品项 BR01 的总数#
确定已售出产品项 BR01 的总数
https://www.nowcoder.com/practice/a225d8a7bc4f496283fe8e21293e841c
SELECT SUM(CONVERT(quantity,DECIMAL(10,3))) AS items_ordered FROM OrderItems WHERE prod_id='BR01'
确定已售出产品项 BR01 的总数
https://www.nowcoder.com/practice/a225d8a7bc4f496283fe8e21293e841c
SELECT SUM(CONVERT(quantity,DECIMAL(10,3))) AS items_ordered FROM OrderItems WHERE prod_id='BR01'
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