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Database Terms

                                                                                                                                          Article No: 1

TERMINOLOGIES

Entity

Something about which someone wants to store data. It can be a person, a place, a thing, a concepts or an event.

Attribute

A characteristic of an entity or object is called an attribute. It is also known as column and field.

Data

Raw facts and figures are called data.  In both the singular and plural form, this term is data. For example:

1.      55
2.      18/12/1989
3.      ISBN 81-203-0000-0

In all above examples, some values are represented in different ways. Each value or collection of all such values is termed as data.

Information

Processed data or meaningful data is known as information. For example, a set of data is represented during defining the term data, all these data become information if we impose the meaning as mentioned below related to a person:

Data                                      Meaning

55                                         Age of a person
18/12/1989                          Date of birth of the person
ISBN 81-203-0000-0             Book number, recently published by the person.

Knowledge

It is the body of the information and facts about a specific subject. Knowledge implies familiarity, awareness and understanding of information as it applies to an environment. A key characteristic of knowledge is that new knowledge can be derived from old knowledge.

 Characteristics of knowledge:

1.      Data constitute the building blocks of an information
2.      Information is produced by processing data
3.      Information is used to reveal the meaning of data
4.      Accurate, relevant, and timely information is the key of good decision making
5.      Good decision making is the key to organizational survival in a global environment.

Data management

It is a discipline that focuses on the proper generation, storage, and retrieval of data.

Resource Used:

1. Database Management System (by Peter Rob)

Compiled By: Chaudhary Amit V.
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