和oracle字符集一樣,有些暈,太細了

小結:

1,字符集分為:服務器,數據庫,表,連接,列等

對應參數為:

mysql> show variables like 'chara%';

+--------------------------+----------------------------+

| Variable_name??????????? | Value????????????????????? |

+--------------------------+----------------------------+

| character_set_client???? | latin1???????????????????? |

| character_set_connection | latin1???????????????????? |

| character_set_database?? | gb2312???????????????????? |

| character_set_filesystem | binary???????????????????? |

| character_set_results??? | latin1???????????????????? |

| character_set_server???? | gb2312???????????????????? |

| character_set_system???? | utf8?????????????????????? |

| character_sets_dir?????? | /usr/share/mysql/charsets/ |

+--------------------------+----------------------------+

8 rows in set (0.00 sec)

mysql> show variables like 'collation%';#類似于oracle show parameter呵呵

+----------------------+-------------------+

| Variable_name??????? | Value???????????? |

+----------------------+-------------------+

| collation_connection | latin1_swedish_ci |

| collation_database?? | gb2312_chinese_ci |

| collation_server???? | gb2312_chinese_ci |

+----------------------+-------------------+

3 rows in set (0.00 sec)

mysql>

2,創建或修改字符集

create dababase zxy character set gb2312;

alter database zxy character set gb2312;

set character_set_server=latin;

啟動mysqld指定default_character_set參數

配置/etc/my.cnf中的client及server節關于default_character_set參數

總結

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