select count(*) from `information_schema`.`tables` where `table_schema` = 'suda_tmp';
select table_name, table_rows from information_schema.TABLES where table_schema = 'suda_tmp';
mysqldump -u username -p db_name > db_name.sql mysql -u username -p db_name2 < db_name.sql
select table_schema, table_name, create_time from information_schema.tables where table_schema = 'suda_tmp' order by create_time;