select '60分以下',count(*) from riskcontrol_inspection_task_book_item where (check_Value +0)<60 and (check_Value REGEXP '[^0-9.]')=0
union
select '60-70分',count(*) from riskcontrol_inspection_task_book_item where (check_Value +0)>=60 and (check_Value +0)<70 and (check_Value REGEXP '[^0-9.]')=0
union
select '70-90分',count(*) from riskcontrol_inspection_task_book_item where (check_Value +0)>=70 and (check_Value +0)<90 and (check_Value REGEXP '[^0-9.]')=0
union
select '90分以上',count(*) from riskcontrol_inspection_task_book_item where (check_Value +0)>=90 and (check_Value REGEXP '[^0-9.]')=0
SQL UNION 操作符合并两个或多个 SELECT 语句的结果。