Any data that does not fall into the traditional field structure (alpha, numeric, dates) of a relational DBMS. Examples of complex data types are bills of materials, word processing documents ...

Nonparametric statistics refer to a statistical method in which the data is not required to fit a normal distribution. Rankings should not change.

In this article, we discuss the data model, types of data models, data modeling techniques, and examples. Also see: Best Data Modeling Tools What is a Data Model?