change_encode.sql

#it is not working

@sql_f = SELECT group_concat(CONCAT("ALTER TABLE ",TABLE_SCHEMA,".",TABLE_NAME," CHARACTER SET utf8 COLLATE utf8_general_ci;   ",
    "ALTER TABLE ",TABLE_SCHEMA,".",TABLE_NAME," CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;  ") SEPARATOR '; ') 
    AS alter_sql
FROM information_schema.TABLES
WHERE TABLE_SCHEMA = 'tc-akvarel_ru';

PREPARE sql FROM @sql_f;
EXECUTE sql;
DEALLOCATE PREPARE sql;