mysql> select * from table1; +----------+------------+-----+---------------------+ | name_new | transactor | pid | order_date | +----------+------------+-----+---------------------+ | 1hahha | 1xiaohong | 1 | 2019-08-04 20:45:47 | | 2hahha | 2xiaohong | 2 | 2019-08-04 20:45:57 | | 3hahha | 3xiaohong | 3 | 2019-08-04 20:46:02 | | 4hahha | 4xiaohong | 4 | 2019-08-04 20:46:05 | | 3hahha | bob | 5 | 2019-08-04 20:46:08 | | 3hahha | lee | 6 | 2019-08-04 20:46:12 | +----------+------------+-----+---------------------+ 6 rows in set (0.00 sec) mysql> select * from table1 where minute(order_date)=46; +----------+------------+-----+---------------------+ | name_new | transactor | pid | order_date | +----------+------------+-----+---------------------+ | 3hahha | 3xiaohong | 3 | 2019-08-04 20:46:02 | | 4hahha | 4xiaohong | 4 | 2019-08-04 20:46:05 | | 3hahha | bob | 5 | 2019-08-04 20:46:08 | | 3hahha | lee | 6 | 2019-08-04 20:46:12 | +----------+------------+-----+---------------------+ 4 rows in set (0.00 sec) mysql> select sum(pid) as pidsum from table1 where minute(order_date)=46; +--------+ | pidsum | +--------+ | 18 | +--------+ 1 row in set (0.00 sec)