mysql5.5不兼容5.6sql文件_为什么这段sql在我的电脑上可以执行,另外一台不可以。使用的mysql5.6 另一台是5.5...
selectname,sum(casewhenmonth(lastlogin)=1andyear(lastlogin)=2014then1else0end)一月,sum(casewhenmonth(lastlogin)=2andyear(lastlogin)=2014then1else0end)二月,sum(casewhenmon...
select name,
sum(case when month(lastlogin) = 1 and year(lastlogin) =2014 then 1 else 0 end) 一月,
sum(case when month(lastlogin) = 2 and year(lastlogin) = 2014 then 1 else 0 end) 二月,
sum(case when month(lastlogin) = 3 and year(lastlogin) = 2014 then 1 else 0 end) 三月,
sum(case when month(lastlogin) = 4 and year(lastlogin) = 2014 then 1 else 0 end) 四月,
sum(case when month(lastlogin) = 5 and year(lastlogin) = 2014 then 1 else 0 end) 五月,
sum(case when month(lastlogin) = 6 and year(lastlogin) = 2014 then 1 else 0 end) 六月,
sum(case when month(lastlogin) = 7 and year(lastlogin) = 2014 then 1 else 0 end) 七月,
sum(case when month(lastlogin) = 8 and year(lastlogin) = 2014 then 1 else 0 end) 八月,
sum(case when month(lastlogin) = 9 and year(lastlogin) = 2014 then 1 else 0 end) 九月,
sum(case when month(lastlogin) = 10 and year(lastlogin) = 2014 then 1 else 0 end) 十月,
sum(case when month(lastlogin) = 11 and year(lastlogin) = 2014 then 1 else 0 end) 十一月,
sum(case when month(lastlogin) = 12 and year(lastlogin) = 2014 then 1 else 0 end) 十二月
from (select * from info where name='合川區古樓鎮' and year(time) = '2014' group by lastlogin)as total group by name
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