What is the data management

What is the data management?Also define Sorting, merging and purging, Indexed files?

Answer:In data management we consider two things: 'what to manage' and 'how to manage'.What to manage is very important because in that we consider about Additional and accompanying information, chiefly documentation, code and command files.
For achieving that we uses many methods like sorting,merging,purging and indexed files.

Sorting: We use that to sort data in a particular manner as our need.It increase the searching of data efficiently.
Merging: This is used to combine two sorted files and generate a resultant sorted files.
Purging: It is uses to create the new file from the sorted file and eliminate the duplicate lines of the original file from the sorted files.
Indexed file: It consists of two files.main data file and smaller index file.

No comments: