3
Defining Data Objects

Chapter summary

This chapter introduces the OLAP DML data structures. It explains how to define OLAP DML objects and change the definition of those objects.

List of topics

This chapter includes the following topics:

• Overview: Defining OLAP DML objects

• Defining Dimensions

• Defining Relations

• Defining Variables

• Defining Variables That Handle Sparse Data Efficiently

• Defining Hierarchical Dimensions and Variables That Use Them

• Defining Metadata

• Changing the Definition of an Object