8. Entity Relationship Modeling

8.1Overview of ER
 

  • Chen’s original ER notation

  • Industrial ER

8.2Barker Notation
 

  • Barker ER notation

  • Comparison with ORM

8.3Information Engineering Notation
 

  • IE notation

  • Comparison with ORM

8.4IDEF1X
 

  • IDEF languages

  • IDEF1X notation

  • Comparison with ORM

8.5Mapping from ORM to ER
 

  • Mapping procedures

8.6Summary

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