标签:class round ber sql mysq weight color median station
SET @ROW_NUMBER:=0; select round(avg(LAT_N),4) from ( select @Row_Number := @Row_Number +1 as count_of_group, LAT_N , (SELECT COUNT(*) FROM Station ) AS total_of_group from station order by Lat_N asc ) tmp where count_of_group between total_of_group / 2.0 AND total_of_group / 2.0 + 1
How to calculate Median using MySQL
标签:class round ber sql mysq weight color median station
原文地址:https://www.cnblogs.com/codingyangmao/p/10909193.html