HDFS typically stands for Hadoop distributed file system.As compared to traditional RDBMS, HDFS follows the distributed approach and has the following advantages: 1)  Data doesn't need to be centralized. However,it is distributed across network.As per traditional RDBMS, data needs to be first accumulated at one place with the help of relational tables.In HDFS, there is no need to accumulate data at one place.Instead,job is split and executed parallely at different nodes where data is stored. 2)...