Mysql method to modify table character encoding: use DEFAULT to modify the character set, the code is [ALTER TABLE t_text DEFAULT CHARACTER SET utf8mb4; 6. Modify the character set of the nickname field in the data table t_text:].
Mysql method to modify table character encoding:
1. Query the MySQL version:
SELECT VERSION();
2. Query the character set currently used by MySQL:
SHOW VARIABLES LIKE '%character%';
3. Query the status information of the specified data table of the specified database (db_test is the database, t_text is the data table):
SHOW TABLE STATUS FROM `db_test` LIKE '%t_text%';
4 , View the column information of the data table:
SHOW FULL COLUMNS FROM t_text;
5. Modify the character set of the data table t_text:
ALTER TABLE t_text DEFAULT CHARACTER SET utf8mb4;6、修改数据表 t_text 中的 nickname 字段的字符集: ALTER TABLE t_text CHANGE nickname nickname VARCHAR(256) CHARACTER SET utf8mb4 NOT NULL;
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