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Discuss the term- Design Optimization
We have seen various ways of representing the objects.The fundamental design model uses analysis model as the framework for implementation. The analysis model captures logical information regarding system. To get better result, design model shall contain details to support efficient information access. The inefficient, but semantically-correct analysis model could be optimized to make implementation more fruitful, but an optimized system is more difficult to understand and likely to be reusable in any other context. For the design optimization, as a designer, we must strike an appropriate balance between both efficiency and clarity.
During design optimization as a designer we must keep following points in our mind:
Problem: (a) Briefly explain the ‘Hierarchical Database Model' using appropriate diagram. (b) List and briefly describe five potential benefits of the database approach comp
Determine the rule that a value of a foreign key should appear as a value of some particular table is called a Ans: Referential constraint. The rule that a value of a fo
What are the object-oriented approaches Software systems which are designed with structured design methodology never support some of desired quality attributes for example reus
construct an er diagram for a hospital with a set of patients and a set of medical doctors. associate with each patient a log of various test and examination conducted.convert er d
distributed quey processing
Guidelines for creation of table: Table name should begin with an alphabet. In table name, single quotes and blank spaces are not allowed. Reserve words of that DBM
What is assertion? Mention the forms available. An assertion is a predicate expressing a condition that we wish the database always to satisfy. Domain integrity constraints.
prototype of a distributed information system for a national car part retail outlet chain.
A relation instance indicates as r is a collection of tuples for a given relational schema at a exact point of time. A relation state r of the relation schema R (A 1 ,A 2 ,.....
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