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There are three primary data models for organizing information including the hierarchical, network, and relational database models.

Relational database model stores information in the form of logically related two-dimensional tables.

Data stewardship is the management and oversight of an organization’s data assets to help provide business users with high-quality data that is easily accessible in a consistent manner.

The complete removal of dirty data from a source is practical and possible.

Which of the following is a valid type of integrity constraint?

Data visualization tools can help uncover correlations and trends in data that would otherwise go unrecognized.

Affinity analysis determines values for an unknown continuous variable behavior or estimated future value.

Many firmscomplete data quality audits to determine the accuracy and completeness of its data.

The example the book gave of www.EllisIsland.org, which generates more than 2.5 billion hits, is a site that offers a database that can easily adjust to handle massive volumes of information. What is this an example of?

Affinity grouping analysis reveals the relationship between variables along with the nature and frequency of the relationship.