Explain briefly the term data mart
Explain briefly the term data mart?
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A data mart is a set of data smaller in size and scope than a data warehouse. This is dedicated to data from a specific business component of business functional region. A data mart may execute as a subset of a bigger data warehouse. Users of a data mart are generally knowledgeable analysts in the business region using the data mart.
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Describe the relationship of OLE DB, ADO, and ODBC?
Illustrate the multi value or multicolumn problem? Include an example not employed in the text.
List out some of the features of a relation in DBMS?
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