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File System
1. File system is a collection of
data. Any management with the file system, user has to write the procedures
2. File system gives the details
of the data representation and Storage of data.
3. In File system storing and
retrieving of data cannot be done efficiently.
4. Concurrent access to the data
in the file system has many problems like
a. Reading the file while other
deleting some information, updating some information
5. File system doesn’t provide
crash recovery mechanism.
Eg. While we are entering some
data into the file if System crashes then content of the file is lost.
6. Protecting a file under file
system is very difficult.
DBMS
1. DBMS is a collection of data
and user is not required to write the procedures for
managing the database.
2. DBMS provides an abstract view
of data that hides the details.
3. DBMS is efficient to use since
there are wide varieties of sophisticated techniques to store and retrieve the
data.
4. DBMS takes care of Concurrent
access using some form of locking.
5. DBMS has crash recovery
mechanism, DBMS protects user from the effects of system failures.
6. DBMS has a good protection
mechanism.
DBMS = Database
Management System
RDBMS = Relational Database Management
System
A database management system is,
well, a system used to manage databases. A relational database management
system is a database management system used to manage relational databases. A
relational database is one where tables of data can have relationships based on
primary and foreign keys.
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