Advantages of file-oriented system

Advantage and Disadvantages of File-oriented system are given below

Advantage of File-oriented system:

1. Backup:

• It is possible to take faster and automatic back-up of database stored in files of computer-based systems.
• computer systems provide functionalities to serve this purpose.it is also possible to develop specific application program for this purpose.

2. Compactness:

• It is possible to store data compactly.

3. Data Retrieval:

• Computer-based systems provide enhanced data retrieval techniques to retrieve data stored in files in easy and efficient way.

4. Editing:

• It is easy to edit any information stored in computers in form of files.
• Specific application programs or editing software can be used for this purpose.

5. Remote Access:

• In computer-based systems,it is possible to access data remotely.
• so,to access data it is not necessary for a user to remain present at location where these data are kept.

6. Sharing:

• Data stored in files of computer-based systems ca be shared among multiple users at a same time.

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Disadvantage of File-oriented system:

1. Data Redundancy:

• It is possible that the same information may be duplicated in different files.this leads to data redundancy results in memory wastage.

2. Data Inconsistency:

• Because of data redundancy,it is possible that data may not be in consistent state.

3. Difficulty in Accessing Data:

• Accessing data is not convenient and efficient in file processing system.

4. Limited Data Sharing:

• Data are scattered in various files.also different files may have different formats and these files may be stored in different folders may be of different departments.
• So, due to this data isolation, it is difficult to share data among different applications.

5. Integrity Problems:

• Data integrity means that the data contained in the database in both correct and consistent.for this purpose the data stored in database must satisfy correct and constraints.

6. Atomicity Problems:

• Any operation on database must be atomic.
• this means, it must happen in its entirely or not at all.

7. Concurrent Access Anomalies:

• Multiple users are allowed to access data simultaneously.this is for the sake of better performance and faster response.

8. Security Problems:

• Database should be accessible to users in limited way.
• Each user should be allowed to access data concerning his requirements only.

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