mysql数据库字符编码修改

修改数据库的字符集
mysql>use mydb

mysql>alter database mydb character set
utf8;

创建数据库指定数据库的字符集

mysql>create database mydb character set utf8;

通过MySQL命令行修改:

mysql> set character_set_client=utf8;
Query OK, 0
rows affected (0.00 sec)

mysql> set character_set_connection=utf8;
Query OK,
0 rows affected (0.00 sec)

mysql> set character_set_database=utf8;
Query OK, 0
rows affected (0.00 sec)

mysql> set character_set_results=utf8;
Query OK, 0
rows affected (0.00 sec)

mysql> set character_set_server=utf8;
Query OK, 0
rows affected (0.00 sec)

mysql> set character_set_system=utf8;
Query OK, 0
rows affected (0.01 sec)

mysql> set collation_connection=utf8;
Query OK, 0
rows affected (0.01 sec)

mysql> set collation_database=utf8;
Query OK, 0
rows affected (0.01 sec)

mysql> set collation_server=utf8;
Query OK, 0 rows
affected (0.01 sec)

查看:
mysql> show variables like
'character_set_%';
+--------------------------+----------------------------+
|
Variable_name | Value
|
+--------------------------+----------------------------+
|
character_set_client | utf8 |
| character_set_connection | utf8 |
|
character_set_database | utf8 |
| character_set_filesystem | binary |
|
character_set_results | utf8 |
| character_set_server | utf8 |
|
character_set_system | utf8 |
| character_sets_dir |
/usr/share/mysql/charsets/
|
+--------------------------+----------------------------+
8 rows in set
(0.03 sec)

mysql> show variables like
'collation_%';
+----------------------+-----------------+
| Variable_name
| Value |
+----------------------+-----------------+
|
collation_connection | utf8_general_ci |
| collation_database |
utf8_general_ci |
| collation_server | utf8_general_ci
|
+----------------------+-----------------+
3 rows in set (0.04 sec)