23. NIMS is applicable to all stakeholders with incident related responsibilities: What does it mean and why is it important?

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Introduction The National Incident Management System (NIMS) is a framework that provides a common approach for managing incidents of any size, scope, and complexity in the United States. It was developed by the Department of Homeland Security (DHS) in response to the 9/11 attacks and the Hurricane Katrina disaster, which revealed the need for a … Read more

In a typical star schema, each dimension record is related to thousands of fact records: What does it mean and why is it important?

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A star schema is a common way of organizing data in a data warehouse or a data mart. It is a type of dimensional modeling that consists of one or more fact tables and several dimension tables. The fact tables store the quantitative data or measures that are relevant for analysis, such as sales amount, … Read more