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 ect.exp_number as exp_number,
et.exp_type as exp_type,
ect.claims_cost as claims_cost
from express_tb as et
left join exp_cost_tb as ect on et.exp_number = ect.exp_number
where ect.claims_cost is not null
order by ect.claims_cost desc
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