Write a short note on an ERD
Write a short note on an ERD?
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An ERD is a full logical presentation of the data for an organization and association. The ERD comprises attributes, entities, cardinalities, and relationships. An ERD is the mechanism there an entity-relationship model is displayed.
Specify various tools in the Business Objects 5.1?
Define the term merge stage?
Explain metrics folders in brief?
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What is Relational Algebra?
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Briefly describe the five elements of an Information Systems Architecture and their relationship to data.
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