30 Jan 2020

  • January 30, 2020
  • Amitraj
Generalization:-   

Generalization is a bottom-up approach in which two lower level entities combine to form a higher level entity. In generalization, the higher level entity can also combine with other lower level entity to make further higher level entity.






Specialization:-

Specialization is opposite to generalization . It is a top-down approach in which one higher level entity can be broken down into two lower level entity. In specialization, some higher level entities may not have lower level entity sets at all.








  

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