File Management System in DBMS

➺ File System is used to store, Retrieve and update A set of files is called a file system.
➺ File system is managed by the operating system.
➺ File system is best for a small file.
➺ FIle system fails when the file size large.

➺ Cost-effective:- A file management system is cost-effective thus, a small organization can also afford for managing organizational data or information.

➺ Editing:- In the file management system we can easily edit a piece of information or file on the system.

➺ Remote access:- Data can be accessed remotely on other computer systems.

➺ Backup:- File system provides faster backup of data or information of the file.

➺ Sharing:- In a File system, data or information can be shared with several users at the same time. sharing of data is easy.

➺ Data Redundancy:- Same information is available in many files. ex:- Student addresses in different files for different purposes.

➺ Data access difficulty:- To access the file we need physical information such as filename, location, etc.

➺ No Security:- We can give different levels of access.

➺ Concurrent Execution:- It blocks the currently executing file at the resource level.

➺ I/O Cost:- File management system has a higher I/O cost. It refers to bringing the Block of Secondary Memory into Primary Memory is Called I/O Cost.

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