Multidimensional data model
Write down the brief notes on multidimensional data model.
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Data warehouses and OLTP tools are based upon the multidimensional data model. This model is utilized for the development of the corporate data warehouses and department data marts. This model consists of the Snowflake schema, Star schema and fact constellation schemas. The core of multidimensional model is known as the data cube.
Name the methods that are available in storing sequential files?
Briefly describe the differentiation between star and snowflake schemas?
Explain the term Enterprise and Workgroup modes?
Give a brief introduction of the term BUS Schema?
What does it mean when we say that a relation is in Boyce-Codd Normal Form (BCNF)?
Explain what do you mean by the spatial data mining?
State the difference between the class and universe?
State the types of users in the Business Objects?
Specify what data sources are available?
Illustrates the term data structure?
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