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.
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Explain the term Coalesce.
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