Thursday, January 24, 2019

Entity Relationship Model

Entity Relationship Model:   


  • Entity Types
  • Entity Sets.
  • Attributes & Keys
  • Relationships.
  • Relationship Types
  • Roles and Structural Constraints
  • Design issues.
  • weak entity types.
  • E-R Diagrams
  • Design of an E-R Database Schema
  • Reduction of an E-R Schema to Tables.


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