Data abstraction : it can be summed up as follows :
- When the DBMS height certain details of how to data is stored and maintained it provides what is called as the abstract view of data
- This is to simplify user interaction with the system
- Complexity of the data and the data structure is hidden from the user through several level of abstraction
Data abstraction is used for the following purposes:
- To provide abstract view of data
- To hide complexity from user
- To simplify user interaction with database management system

Tags: DBMS