MySQL 获取日期、时间、时间戳

# 获取当前时间 curtime()
mysql> select curtime();
+-----------+
| curtime() |
+-----------+
| 10:39:25  |
+-----------+

# 获取当前日期 curdate()
mysql> select curdate();
+------------+
| curdate()  |
+------------+
| 2023-12-21 |
+------------+
1 row in set (0.08 sec)

# 获取当前日期时间 now()
mysql> select now();
+---------------------+
| now()               |
+---------------------+
| 2023-12-21 10:39:31 |
+---------------------+
1 row in set (0.05 sec)

# 获取当前时间戳 unix_timestamp()
mysql> select unix_timestamp();
+------------------+
| unix_timestamp() |
+------------------+
|       1703126492 |
+------------------+
1 row in set (0.09 sec)