Explain the Term Time-Variant in the Following Data Warehouse Definition

question 7

Essay

Explain the term time-variant in the following data warehouse definition:
The data warehouse is a structured repository of integrated,subject-oriented,enterprise-wide,historical,and time-variant data.The purpose of the data warehouse is the retrieval of analytical information.A data warehouse can store detailed and/or summarized data.

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Definitions:

Discretionary

Refers to actions or expenditures that are subject to judgment or choice, often within a framework of policies or guidelines.

Benefit Society

Actions or initiatives that contribute positively to the well-being and improvement of the community or society as a whole.

Economic Policy Institute

A nonprofit, nonpartisan think tank created in 1986 to include the needs of low- and middle-income workers in economic policy discussions.

CEOs

Chief Executive Officers, the highest-ranking individuals in a company or organization, responsible for making major corporate decisions, managing the overall operations, and resources.