MySQL ELT 函数demo
作者：互联网
-- 语法
ELT(N,str1,str2,str3,...)
INTERVAL(N,N1,N2,N3,..........)
-- 演示示例
SELECT ELT(INTERVAL(total_fraction,0,20,40,60,80,100),"0-20","20-40","40-60","60-80","80-100") as tt,count(id) num FROM ads_company_health
WHERE flag=0 GROUP BY ELT(INTERVAL(total_fraction,0,20,40,60,80,100),"0-20","20-40","40-60","60-80","80-100");
标签：20,demo,40,60,MySQL,80,100,ELT 来源： https://www.cnblogs.com/devin-sl/p/13023605.html