Principal types of packaged data models
Write a short on the differences of the two principal types of packaged data models.
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Universal data models are ordinary to many organizations. Such models might be useful for same functions which are employed across organizations or companies like accounting and purchasing. Industry-specific data models are employed by specific industries.
Specify the types of the tracing level?
Specify the types of join that are available?
Illustrates the basic elements in ER models?
Describe the difference between complexType elements and simple elements?
Specify the types of dimensions?
Explain the term operational data stage (ODS) and data warehouse?
How do I set a password to be null?
Define the term Auto regression? Explain in brief.
Describe a surrogate key and also explain the ideal primary key and illustrate how surrogate keys meet up this ideal?
Explain, why we use the lookup transformations?
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