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What is a database system?,”Collectively, the database model, the DBMS
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.What is a database system?,”Collectively,[…]
Read moreComposite keys contain …
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Read moreKey properties of relational modeling,”Values are atomic (i.e., a data cell cannot contain multiple values)Values in a given column are of the same domain/type (e.g., float)No rows contain completely duplicate dataThe order of rows and columns is completely irrelevantThe names of every relation are unique and within relations
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Key properties of relational modeling,”Values[…]
Read moreWhat is a data warehouse?,”A unified, central repository of contemporary and historical data accumulated (i.e.
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Read moreMultiple attributes as key
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Read moreWhat is a data mart?,”A subset of a data warehouse dedicated to a single project, department
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Read moreStrong Entity,”Exists independently of other types of entitiesHas its own unique identifier
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Read morewhat are alert log files
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Read moreDesirable Attributes of Organizational Memory
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