mysql查询所有表，并修改表字符集

1.查询所有表

ALTER TABLE tbl_name CONVERT TO CHARACTER SET charset_name;

2.拼接sql

select concat('ALTER TABLE ',table_name,' CONVERT TO CHARACTER SET utf8;') from information_schema.tables where table_schema='CRM_ADMIN' 

3.修改字符集

ALTER TABLE T_ACC_ACCOUNT CONVERT TO CHARACTER SET 'utf8';