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In the context of data models, an entity is a person, place, thing, or event about which data will be collected and stored.
Q4: _ is data about data through which
Q17: Within a specialization hierarchy, a supertype can
Q19: _ are characteristics of entities.
Q37: If one department chair-a professor-can chair only
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Q46: The reliance on _ as the design
Q54: Describe the use of null values in
Q70: Identifying the attributes of entities helps in
Q87: The storage locations for multiple backups must