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Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
Desirable Properties Of Decomposition Decomposition is a process of dividing a relation into its projections that will not be disjoint. Please remind the Relational projection
explain external view
Define physical and logical data independence. How does this architecture help in achieving these? Data independence entails that change in one view must not need a change in t
SET concept is used in which type of modelling? SET concept is used in Network Model.
List the Armstrong's axioms for functional dependencies. What do you understand by soundness and completeness of these axioms? Ans: The Armstrong's axioms are: F1:
Draw and explain the three level architecture of the database system? A DBMS gives three levels of data is said to follow three-level architecture. The trget of the three-schem
entity relationship diagram about finance
Illustrate the Deployment Diagram A deployment diagram shows all nodes on network, their processor execution and interconnections. In a dynamic model, this is used to represen
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