Explain term Data mart
Explain the term Data mart?
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A data mart refers to a subset of data warehouse which is designed for the particular line of business, like marketing, sales, or finance. Within the dependent data mart, data may be derived from the enterprise wide data warehouse. In an independent data mart data can be accumulated directly from sources.
Describe how operation is carried out within the spiral method?
Illustrates the term normalization?
Write down a short note on the term domain constraints?
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Specify the types of the tracing level?
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