Data Warehouses May Include Data That Is Purchased from Outside

question 8

True/False

Data warehouses may include data that is purchased from outside sources.

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Definitions:

Nodes

Elements or data points in a data structure, such as a linked list or tree, that contain data and references to other nodes.

Head Node

The first node in a linked list or tree data structure.

Object

In programming, an object is an instance of a class that contains both data, in the form of fields, and methods, which are functions specific to the class.

NullPointerException

An exception thrown in Java when an application attempts to use an object reference that has the null value, indicating that no object has been assigned to the reference.