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Question:
(a) Define the term e-Government and briefly explain, using appropriate examples, the aspects it covers.
(b) Give four reasons as to why a country should adopt e-Government. Illustrate your answer using appropriate examples.
(c) Using examples, write short notes on the following topics as related to e-government:
(i) Government 2 Citizen (G2C)
(ii) Government 2 Business (G2B)
(iii) Government 2 Government (G2G)
(iv) Business 2 Government (B2G)
Explain the Weak Entity Set An Entity set which does not have sufficient attribute to make a primay key is known as weak entity set. For instance, dependents of an employee in
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Discuss how the bi-directional Implementations are made. In bi-directional implementation of the association, a pair of references must implement every link. The declarations a
The participation Constraints shows whether the existence of an entity depends on its being associated to another entity by the relationship type. There are two kinds of participat
What are ways of finding out either an update is required or not for derived attributes? The ways to find out an update is required or, not are as: Explicit update
One-way Associations If an association is only traversed in single direction, then it is known as one-way association. It is implemented as a pointer or an attribute which con
Explain the Static or conservative Two Phase Locking: Static (or conservative) Two Phase Locking: In this type of scheme, all the data items are locked earlier than any opera
under what condition log based recovery is feasible?
Types of data independence Data independence can be classified into the following two types: Physical Data Independence: This means that for any change made in the physi
Draw an ER diagram for company''s database schema
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