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_____ exists when different versions of the same data appear in different places
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Read more“In a database context, a(n) _____ indicates the use of different names to describe the same attribute”
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Read moreThe _____ model uses the term connectivity to label the relationship types
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Read more_____ provide a description of the data characteristics and the set of relationships that link the data found within the database
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Read moreThe _____ constraint can be placed on a column to ensure that every row in the table has a value for that column
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Read more_____ data exist in the format in which they were collected
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Read moreAn entity is said to be _____-dependent if it can exist in the database only when it is associated with another related entity occurrence
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Read moreA derived attribute is indicated in the Chen notation by a _____ that connects the attribute and an entity
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Read more“From a database point of view, the collection of data becomes meaningful only when it reflects properly defined”
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