ASELECT * FROM order_info_table where DATE_SUB(CURDATE(), INTERVAL 30 DAY) <= date(create_time)
BSELECT * FROM order_info_table WHERE create_time =DATA_FORMAT(CURDATE(),'%Y%m')
CSELECT * FROM order_info_table WHERE DATA_FORMAT(create_time,'%Y%m') =DATA_FORMAT(CURDATE(),'%Y%m')
DSELECT * FROM order_info_table WHERE DATA_FORMAT(create_time,'%m') = DATA_FORMAT(CURDATE(),'%m')