正文
mysql count() 函数，对结果统计计数
提示：扫一扫查出行【扫一扫了解最新限行尾号】
复制提示
mysql> select * from table1 where minute(order_date)=;
+----------+------------+-----+---------------------+
| name_new | transactor | pid | order_date |
+----------+------------+-----+---------------------+
| 3hahha | 3xiaohong | | -- :: |
| 4hahha | 4xiaohong | | -- :: |
| 3hahha | bob | | -- :: |
| 3hahha | lee | | -- :: |
+----------+------------+-----+---------------------+
rows in set (0.00 sec) mysql> select count(*) as num from table1 where minute(order_date)=;
+-----+
| num |
+-----+
| |
+-----+
row in set (0.00 sec)
