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MySql表、字段、库的字符集修改及查看方法_MySQL

时间:2021-07-01 10:21:17 帮助过:22人阅读

修改数据库字符集:

代码如下:


ALTER DATABASE db_name DEFAULT CHARACTER SET character_name [COLLATE ...];


把表默认的字符集和所有字符列(CHAR,VARCHAR,TEXT)改为新的字符集:

代码如下:


ALTER TABLE tbl_name CONVERT TO CHARACTER SET character_name [COLLATE ...]


如:ALTER TABLE logtest CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;

只是修改表的默认字符集:

代码如下:


ALTER TABLE tbl_name DEFAULT CHARACTER SET character_name [COLLATE...];


如:ALTER TABLE logtest DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;

修改字段的字符集:

代码如下:


ALTER TABLE tbl_name CHANGE c_name c_name CHARACTER SET character_name [COLLATE ...];


如:ALTER TABLE logtest CHANGE title title VARCHAR(100) CHARACTER SET utf8 COLLATE utf8_general_ci;

查看数据库编码:

代码如下:


SHOW CREATE DATABASE db_name;


查看表编码:

代码如下:


SHOW CREATE TABLE tbl_name;


查看字段编码:

代码如下:


SHOW FULL COLUMNS FROM tbl_name;

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