Question
How many types of attribute relationships are there?
Answers
They are 2 types of attribute relationships they are

Rigid
Flexible


Rigid: In Rigid relationships  where the relationship between the attributes is fixed, attributes will not change levels or their respective attribute relationships.

Example: The time dimension. We know that month “January 2009” will ONLY belong to Year “2009” and it wont be moved to any other year.

Flexible :   In Flexible relationship between the attributes is changed.

Example: An employee and department. An employee can be in accounts department today but it is possible that the employee will be in Marketing department tomorrow.   Your Comment




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