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From SAD to OOAD (Structured Analysis and Design (SAD) to Object Oriented Analysis and Design (OOAD).
We will find here how we can map various models in SAD to different models in OOAD. We will consider different levels of abstraction through which this is done.
The data flow diagram (DFD) of SAD is mapped to Use Case diagram of OOAD.
DFD represents a broader model of the system from process point of view. Hence, DFD could not be transformed as it is to equivalent representation in UML
Figure: Transformation from SAD to OOAD
What is object identity? An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
in case of functional dependencies how we get the higher normal form.
Distributed Database Management System
various techniques of hashing?
Question : (a) Data mining is one of the best ways to analyse data and using software method, hidden and unexpected patterns and relationships in sets of data can be extracte
Create role named role_table that allows a user to create tables. Using role_table allow users kripa and reena to create tables. CREATE ROLE role_table; GRANT CREATE ANY TABLE
Define average seek time. The average seek time is the average of the seek times, calculated over a sequence of random requests.
Introduction In large projects, we can have many different companies working together. Generally, the project or contract is awarded to one company (Principal Contractor), which
Explain the uses of deadlock It will lead to deadlock since this is the only place where incoming acknowledgements are processed. Without this code, sender will keep timing ou
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