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Question:
(a) What are the challenges in the development of Large Scale Distributed Real Systems?
(b) What is backward engineering and forward engineering in a design package? Give one disadvantage of backward engineering.
(c) Describe in what two situations data replication may be applied.
(d) What is the implication of data replication?
(e) Will data replication be used in a large scale system?
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
discuss the array implementation of a stack.
What do you understand by a view? What does WITH CHECK OPTION clause for a view do? - A view is a virtual table which comprises fields from one or more real tables. - It is
Illustration of implementation of inheritance Let us take the illustration of implementation of inheritance. Suppose that we are about to implement the Stack class and by now w
complete er diagram of textile industry management
What is Index? An index is a physical structure having pointers to the data. Indices are created in an existing table to locate rows more quickly and efficiently. It is possibl
Explain Object oriented Model ? Object Oriented Model - This model is based on the object-oriented programming language paradigm. It involves the features of OOP such as inhe
This assignment is worth 45% of your final grade for this module. Marks will be awarded as follows: Prototypes (wireframe and web based prototype) You are expected
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
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