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Q.

What is DBMS?Explain any 3 features?

Tags: electronics, explain, technology
Asked by Bollepogu Suresh, 09 Sep '09 07:30 pm
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Answers (2)

1.

Courtesy Wiki answers:::We now discuss a conceptual framework for a DBMS. Several different frameworks have been suggested over the last several years. For example, a framework may be developed based on the functions that the various components of a DBMS must provide to its users. It may also be based on different views of data that are possible within a DBMS. We consider the latter approach.

A commonly used views of data approach is the three-level architecture suggested by ANSI/SPARC (American National Standards Institute/Standards Planning and Requirements Committee). ANSI/SPARC produced an interim report in 1972 followed by a final report in 1977. The reports proposed an architectural framework for databases. Under this approach, a database is considered as containing data about an enterprise. The three levels of the architecture are three different views of the data:

1. External - individual user view
2. Conceptual - community user view
3. Internal - physical or s ...more
Answered by jameel ahmed, 09 Sep '09 07:54 pm

 
  
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2.

Database Management System (DBMS) is a set of computer programs that controls the creation, maintenance, and the use of the database of an organization and its end users

It allows organizations to place control of organization-wide database development in the hands of database administrators (DBAs) and other specialists
DBMS allows users and other software to store and retrieve data in a structured way
It helps to specify the logical organization for a database and access and use the information within a database. It provides facilities for controlling data access, enforcing data integrity, managing concurrency controlled, restoring database.
Answered by PARTHA PATHAK, 09 Sep '09 07:40 pm

 
  
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