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Objectives
Can a filed occur in several field groups. Yes. But it leads to redundant data redundancy.
What are the types of reference?explain it with suitable examples? Object oriented language given the ability to refer the object attribute of the type can be referred to the s
Define weak and strong entity sets? Weak entity set: entity set that do not have key attribute of their own are known as weak entity sets. Strong entity set
What is entity in DBMS? Entity: A DBMS entity is either a thing in the modelled world or a drawing element in an ERD.
Differentiate between B-tree and B + tree Ans: A B-tree (or Balanced Tree) is a search tree along with additional constraints that makes sure that the tree is all the time
You are to write a property management database program that allows a real estate agent to view, add, search, and save property listings. The program is to do the following: 1.
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
in case of functional dependencies how we get the higher normal form.
What are the types of storage devices? Primary storage Secondary storage Tertiary storage Volatile storage Nonvolatile storage
Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs
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