mysql8修改时区,涉及参数time_zone

首先需要查看mysql的当前时区,用time_zone参数

mysql> show variables like '%time_zone%';   
+------------------+--------+
| Variable_name    | Value  |
+------------------+--------+
| system_time_zone | CST    |
| time_zone        | SYSTEM |
+------------------+--------+
2 rows in set (0.00 sec)
  1. 可以通过修改my.cnf
    在 [mysqld] 之下加

default-time-zone=timezone
来修改时区。如:
default-time-zone = '+8:00'
修改完了记得记得重启msyql
注意一定要在 [mysqld] 之下加 ,否则会出现 unknown variable 'default-time-zone=+8:00'

  1. 另外也可以通过命令行在线修改
set time_zone = timezone
比如北京时间(GMT+0800)
set time_zone = '+8:00'; 如下:
mysql> set time_zone='+8:00';
Query OK, 0 rows affected (0.00 sec)
 
mysql> show variables like '%time_zone%';   
+------------------+--------+
| Variable_name    | Value  |
+------------------+--------+
| system_time_zone | CST    |
| time_zone        | +08:00 |
+------------------+--------+
2 rows in set (0.00 sec)
  1. 再通过select now()来验证时区
mysql> show variables like '%time_zone%';   
+------------------+--------+
| Variable_name    | Value  |
+------------------+--------+
| system_time_zone | CST    |
| time_zone        | +08:00 |
+------------------+--------+
2 rows in set (0.00 sec)
 
mysql> select now();
+---------------------+
| now()               |
+---------------------+
| 2013-08-05 10:35:31 |
+---------------------+
1 row in set (0.00 sec)
 
mysql>  set time_zone='+0:00';
Query OK, 0 rows affected (0.00 sec)
mysql> show variables like '%time_zone%';
+------------------+--------+
| Variable_name    | Value  |
+------------------+--------+
| system_time_zone | CST    |
| time_zone        | +00:00 |
+------------------+--------+
2 rows in set (0.00 sec)
mysql> select now();
+---------------------+
| now()               |
+---------------------+
| 2013-08-05 02:35:43 |
+---------------------+
1 row in set (0.00 sec)

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