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Question: "The REA Data Model" Please respond to the following:
Your firm wants to move from a relational database model to the REA data model. Explain to your senior management the risks and rewards of such of a move. Be sure to provide specific examples to support your response.
As we know, the REA data model is an emerging technology change. Make five recommendations for creating useful entity-relationship (E-R) diagrams. Rank them in level of importance, and then justify your ranking.
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Relational data base model has been in use for several decades and this model has won trust of the users. However the technology is ever changing and now some firms prefer to use Resource Event Agent (REA) data model over relational database model. While the relational database model is event based, REA database model is event driven. REA database model is based upon the relationship of the database items. This model is based upon the relational database model but it provide a better pictorial view of the relational database. Various symbols are used to demonstrate the various aspects of the database items. Rectangles represents entities, relationship between the entities is represented by diamonds and oval represents the attributes.