MySQL实现统计过去12个月每个月的数据信息

select count(or_id) as count 
from t_order 
WHERE origin='郑州工商学院' 
group by DATE_FORMAT(create_time, '%Y-%m')  
order by create_time desc 
limit 12 

select DATE_FORMAT(create_time, '%Y-%m') as createDate,count(or_id) as count 
from t_order 
WHERE origin='郑州旅游学院' 
group by createDate 
order by createDate desc 
limit 12