Database Management Systems (DBMS) Overview

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Questions and Answers

What are the advantages of a Database Management System (DBMS) over a file system?

Advantages include data independence, data security, data integrity, data consistency, and improved data sharing and accessibility.

List the different types of users in a database system.

The types of users include administrators, designers, end-users, and application programmers.

What are the functions of a Database Administrator (DBA)?

Functions of a DBA include database design, implementation, maintenance, security management, and backup and recovery.

Explain the concept of data independence and its types.

Data independence refers to the separation of data descriptions from the application programs. It has two types: logical data independence and physical data independence. Signup and view all the answers

What are the significant differences between a file processing system and a Database Management System (DBMS)?

Differences include data redundancy, data isolation, data inconsistency, security, and data integrity. Signup and view all the answers

Explain the hierarchical and network database models.

Hierarchical model organizes data in a tree-like structure, while the network model allows one-to-many and many-to-many relationships. Signup and view all the answers

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