Thursday, 8 December 2016

What is an atomic attribute in DBMS

What is an atomic attribute in DBMS? / Define the term atomic attribute / An attribute that cannot be further divided into sub-components

Atomic Attribute


An attribute that cannot be divided further into meaningful subcomponents/sub-attributes is an Atomic attribute.

Following attributes are some of the examples of atomic attributes;

  • First_name, last_name of a person, names of things etc. – a person’s name may be divided into first name, last name and middle name etc. But a person’s first name cannot be divided further to give meaningful information. Hence, a first name is an atomic attribute,
  • Gender – gender cannot be further divided,
  • Year_of_Pass – it is a year. It cannot be divided,
  • Door_no – Door number. [An address may not be an atomic attribute, since it has several sub-components like door_no, street, city etc.],
and many more.

In simpler terms, an attribute that is Simple attribute is almost an atomic attribute.

No comments:

Post a comment

Featured Content

Multiple choice questions in Natural Language Processing Home

MCQ in Natural Language Processing, Quiz questions with answers in NLP, Top interview questions in NLP with answers Multiple Choice Que...

All time most popular contents