修改mysql字符集
阿新 • • 發佈:2019-01-22
mysql預設字符集能否進行修改呢?答案是肯定的,下面就將教您兩種修改mysql預設字符集的方法,希望對您學習mysql預設字符集方面能有所啟迪。
(1) 最簡單的修改方法,就是修改mysql的my.ini檔案中的字符集鍵值,
如 default-character-set = utf8
character_set_server = utf8
修改完後,重啟mysql的服務,service mysql restart
使用 mysql> SHOW VARIABLES LIKE 'character%';檢視,發現數據庫編碼均已改成utf8
- +--------------------------+---------------------------------+
- | 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 | D:"mysql-5.0.37"share"charsets" |
- +--------------------------+---------------------------------+
(2) 還有一種修改mysql預設字符集的方法,就是使用mysql的命令
- mysql> SET character_set_client = utf8 ;
- mysql> SET character_set_connection = utf8 ;
- mysql> SET
- mysql> SET character_set_results = utf8 ;
- mysql> SET character_set_server = utf8 ;
- mysql> SET collation_connection = utf8 ;
- mysql> SET collation_database = utf8 ;
- mysql> SET collation_server = utf8 ;
一般就算設定了表的mysql預設字符集為utf8並且通過UTF-8編碼傳送查詢,你會發現存入資料庫的仍然是亂碼。問題就出在這個connection連線層上。解決方法是在傳送查詢前執行一下下面這句:
- SET NAMES 'utf8';
它相當於下面的三句指令:
- SET character_set_client = utf8;
- SET character_set_results = utf8;
- SET character_set_connection = utf8;