MySQL queries the table name under the current database

Generate truncate table

select concat('truncate table `', `table_name`, '`;') 
from `information_schema`.`tables` where `table_schema`=DATABASE() and `table_type`='BASE TABLE';

Generate delete from

select concat('delete from `', `table_name`, '`;') 
from `information_schema`.`tables` where `table_schema`=DATABASE() and `table_type`='BASE TABLE';