Data Warehouse - IHRIMedia

The combining of many different databases across an entire enterprise. It is A collection of data^[2] designed to support management decision-making. Data warehouses contain a wide variety of data that present a coherent picture of business conditions at a single point in time. Development of a data warehouse includes development of systems to extract data from operating systems plus installation of a warehouse database^[1] system that provides managers flexible access to the data.

Defined Terms

1. ↑ database.

A set of data. A permanent, self descriptive store of interrelated data items arranged in a logical way that can be accessed by various computer programs.

2. ↑ data.

Numbers, characters, or images in a form which can be assessed by a human or (especially) input into a computer, stored and processed.

HRIP Exam Blueprint
Glossary: Attributes
Characteristics of data either in a software application or data warehouse.
Glossary: Datamart
A database, or collection of databases, designed to help managers make strategic decisions about their business. Whereas a data warehouse combines databases across an entire enterprise, data marts are usually smaller and focus on a particular subject or department. Some data marts, called dependent data marts, are subsets of larger data warehouses.
Glossary: Decision Support
Typically refers to the tools that are used to access the data mart or data warehouse for the purposes of gathering information on which business decisions will be made. The tools allow for very specific and targeted access by line of business or process to provide the information needed by business decision makers.

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