Oracle 12c: SQL
Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
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Chapter 1, Problem 2RQ

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Entity:

Entity is the basic block for building the data collected about person, place, event, or thing.

  • Entities represent attributes that can have multiple instances.
  • To locate the information in the entity, they have a name, short description about what they are and identifier.
  • Identifiers are used to identify each and every individual instance of an entity.
  • Relationship denotes the link between the entities...

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