题解 | 查询产生理赔费用的快递信息
查询产生理赔费用的快递信息
https://www.nowcoder.com/practice/d22eab8a0001443fba7c5757e7cbcaea
SELECT
et.exp_number,
et.exp_type,
ect.claims_cost
FROM express_tb et
JOIN exp_cost_tb ect ON et.exp_number = ect.exp_number
WHERE insurance_cost IS NOT NULL AND claims_cost IS NOT NULL
ORDER BY ect.claims_cost DESC


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