The process of conceptual data modeling begins with developing a conceptual data model for the system being replaced,if a system already exists.This is essential for planning the conversion of the current files or database into the database of the new system.
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Q3: An entity _ is described just once
Q4: Conceptual data modeling is not done in
Q5: The other deliverable from conceptual data modeling
Q6: A(n)_ is a person,place,object,event,or concept in the
Q7: Event entity types should be named for
Q9: A common mistake many people make when
Q10: During requirements structuring,a _ model represents conceptual
Q11: The most common format used for data
Q12: The primary deliverable from the physical data
Q13: Describe conceptual data modeling.How is it used?
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