NDBMS Stand for Network Database Mangement System It is a 3rd Model of DBMS which was introduced by IBM in 1969.In this Model is also stored the data in the form of three structure along with an integrated to the network environments.
Advantages:
- In NDBMS Model multiple programs are interacting with a database server at a time and also sharing the database information to the multiple programmers.
- Adding the values to an existing structure by using pointers (the address of the memory location)
Disadvantages (Drawbacks)
- There is no proper security to the centralized database server.
- Database redundancy will be increased (Increasing duplicate values)
- It will occupy the more memory in database Server.
- system and application performance will be reduced.