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題解 | #分析客戶逾期情況#

分析客戶逾期情況

http://fangfengwang8.cn/practice/22633632da344e2492973ecf555e10c9

sum(if(overdue_days is not null,1,0)) 篩選逾期人數(shù)
concat(X...,'%')用于鏈接X...與%
select 
pay_ability,
concat(round(sum(if(overdue_days is not null,1,0))/count(customer_id)*100,1),'%') as overdue_ratio
from loan_tb
join customer_tb using(customer_id)
group by 1
order by 2 desc

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