修改數據庫字符集:
ALTER DATABASE db_name DEFAULT CHARACTER SET character_name [COLLATE ...]; |
把表默認的字符集和所有字符列(CHAR,VARCHAR,TEXT)改爲新的字符集:
ALTER TABLE tbl_name CONVERT TO CHARACTER SET character_name [COLLATE ...]如:ALTER TABLE logtest CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci; |
只是修改表的默認字符集:
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:
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; |
查看數據庫編碼:
SHOW CREATE DATABASE db_name; |
查看錶編碼:
SHOW CREATE TABLE tbl_name; |
查看字段編碼:
SHOW FULL COLUMNS FROM tbl_name; |