Dewey Decimal Classification (DDC) | DDC Classification Scheme

DDC Classification Scheme & System

DDC (Dewey Decimal Classification) originated in 1876 AD. This method was developed by Melvil Dewey, he is the father of library science. 

When there was no standardized Classification Scheme to classify the world of knowledge, DDC (Dewey Decimal Classification) was created by Melvil Dewey, which worked to classify the entire knowledge world.

Melvil Dewey has divided its Classification Scheme into 10 main classes. Its first edition was published in 1876 and so far its 23rd edition has been published.

Dewey Decimal Classification Scheme

DDC has some important features which are as follows

1) Decimal Classification - Dr. Melvil Dewey used Decimal in his Classification Scheme after three digits, due to which it is known as Decimal Classification.

2) Enumerative Pattern - DDC is a fully enumerative scheme in which Ready Made No. for all subjects has given. Hence it is called Enumerative Classification Scheme.

3) Pure Notations - Use of only one type of notation in DDC is accepted and Indo Arabic Numbers (0,1,2,1,3,4,5,6,7,6,8,9 ) Are used only and it is through these that the squares are made.

DDC - Dewey Decimal Classification

 

4) Outlines of Main Classes - In DDC, Decachotony (division into ten classes) method is used to divide the knowledge of the whole world.

Which is as follows -

000 - GENERALITIES & COMPUTER SCIENCE

100 - PHILOSOPHY AND PSYCHOLOGY

200 - RELIGIONS

300 - SOCIAL SCIENCES

400 - LANGUAGES

500 - NATURAL SCIENCES & MATHEMATICS

600 - TECHNOLOGY (APPLIED SCIENCES)

700 - THE ARTS

800 - LITERATURE & RHETORIC

900 - GEOGRAPHY, BIOGRAPHY & HISTORY

5) Division of Main Class- Each main class in DDC has been further divided into 10 departments. like

300 - Social Science

310 - Statistics

320 - Political Science

330 - Economics

340 - Law

350 - Public Administration

360 - Social Problems and Service

370 - Education

380 - Commerce

390 - Customs, Etiquette, Folklore

6) Helping Tables - Class No. of DDC To make it more effective, the 16th has also introduced a total of 7 types of tables. However, Table 7 is removed from the 22nd ceremony.

Table.1 - Standard Sub Divisions

Table.2 - Areas

Table.3 - Sub-divisions of Individual Literature

Table.4 - Sub-divisions of Individual Languages

Table.5 - Racial, Ethnic, National Groups

Table.6 - Languages

Table.7 - Persons.

7) Relative Index - A special type of index is used in DDC which is called Relative Index. In which the synonyms of all subjects are also used.

8) NO connecting Symbol - It does not use any type of connecting symbol like CC. A decimal is used after just three digits in it.

9) Simple Scheme - DDC is much simpler than other methods which are easy to remember, write, and type in class.

10) International Classification Scheme - DDC is called International Classification Scheme as it is often the countries of the world that accept its basis.

In terms of the characteristics of DDC, Drown sir has said that DDC is the most ubiquitous and established method among all classification methods. And the truth of this thing is known only by its popularity. 

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