Using Projection Nodes

Objectives
After completing this lesson, you will be able to:

After completing this lesson, you will be able to:

  • Describe a projection node

Projection Node

Using a Projection Node

A Projection node is one of the most popular nodes and they usually appear in most calculation views of all types. They provide many useful features that most calculation views require.

A Projection node is typically used to achieve the following:

  1. To select only the required columns from a data source.

  2. To define calculated columns.

  3. To define parameters that request values at run-time, such as user-prompts.

  4. To apply a filter on the data source.

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