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Within the data warehouse model, the external databases could include competitor information, industry information, mailing lists, and stock market analysis.

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

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

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?

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

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

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

What is a data integration?