Could you expound in database modeling, how subclass and superclass are used? Maybe you can use...

50.1K

Verified Solution

Question

Programming

Could you expound in database modeling, how subclass andsuperclass are used? Maybe you can use these terms(cardinalityconstraint , total participation constraint, weak entity type,partial key, IS-A relationship, specialization and generalization,specific (or local) attribute, specific relationship,aggregation)

Answer & Explanation Solved by verified expert
4.3 Ratings (767 Votes)
Specialized class are often called assubclass while generalized classare called superclass probably inspired by object orientedprogramming A subclass is best understood by ISAanalysis Following statements hopefully makes some senseto your mind Technician ISA Employee Laptop ISAComputerAn entity is specialized typeclass of other entity Forexample Technician is special Employee in a university    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students