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Database Essay

2003 words - 9 pages

NO Topic
1) Differentiate between database management system and information retrieval system by focusing on their functionalities.
2) Highlight the differences between data and information.
3) Make appropriate use of diagrams to illustrate the underlying concepts/components of database management system and information retrieval system.
4) Differentiate between structured and non structured data.
5) references


Database is a collection of programs that enables users to create and maintain data. The other meaning, database some collection the related files that are usually included, concurrent referenced to one another. Good feature of a database is that data and records contains some in different files can be easily organized and save from harm in danger when using specialized database management software called a database management system (DBMS) or database manager.
A database-management system (DBMS) is a group of organized data and a set of programs have access to some data. This is a collection of related data without any doubt meaning and thus is a database. The collection data usually referred to as the database, have something information directly connected to an enterprise. The main goal of a DBMS is to provide a way to store up and save some of database information that is both well-located and useful. From data, the user known facts that can be recorded and that have trusted the meaning. For example, consider the names, telephone numbers, and addresses of the people may we know.
There are many different types of DBMSs, a variety from small systems that run on personal computers to enormous systems that run on main frames. These are some example of database applications such as mechanized library systems, automatic banker machines, flight reservation systems, and mechanized parts inventory systems.
There are many functions a Database Management System (DBMS) serves that are key components to the operation of database management. When decide to perform a DBMS in business, first we must decide what type of DBMS we want. These are the ability to update and get back the data, Support Concurrent Updates, Recovery of Data, Security, Data Integrity. Each kind of database structure has its own pros and cons.
Information retrieval is concerned with all the activities related to the organization, processing of, and access to, information of all forms and formats. Information
Retrieval System (IRS) allows people to communicate with an information system or service
in order to find information such as text, graphic images, sound recordings or video that meet their specific needs.
An information storage and retrieval system (ISRS) is a network with a built-in user interface that facilitates the design, searching, and conversion of stored data. An information retrieval system is typically a peer-to-peer network operated and maintained by confidential individuals or independent organizations, but...

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