sql关于sum语句的错误问题
select Tbl_Laborhour.worktime,Tbl_Project.xmmc,Tbl_Laborhour.workhour,Tbl_Laborhour.tx_hour,Tbl_Laborhour.jb_hour,sum(Tbl_Laborhour.workhour) as result ,Tbl_Laborhour.aboutwork from Tbl_Laborhour group by Tbl_Laborhour.workhour,Tbl_Project where Tbl_laborhour.aboutproject = Tbl_Project.id
请大家帮忙看下这个语句错出在哪里?是不是sum的用法错了
编译器提示where附近语法错误
应该怎么改?谢谢