第一种方法 select now();
mysql> select now();
+---------------------+
| now() |
+---------------------+
| 2016-05-08 22:18:06 |
+---------------------+
1 row in set (0.02 sec)
第二种方法 select current_date();
mysql> select current_date();
+----------------+
| current_date() |
+----------------+
| 2016-05-08 |
+----------------+
1 row in set (0.00 sec)
第三中方法 select sysdate();
mysql> select sysdate();
+---------------------+
| sysdate() |
+---------------------+
| 2016-05-08 22:19:14 |
+---------------------+
1 row in set (0.03 sec)