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MySQL常用函数实践总结

认真的老去 2022-06-09 阅读 62

【1】cast函数

① 平均值取两位小数

SELECT address,COUNT(1),
CAST(AVG(avg_price) AS DECIMAL(10,2)) as number
from tb_sys_travel
group by address
ORDER BY COUNT(address) desc
LIMIT 0,10


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