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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)
Question: (a) Use the following business rules to produce the E-R diagram. You should clearly show all the minimum and maximum cardinality constraint on each side of the relati
What are the different integrity constraints in RDBMS? The various integrity constraints in RDBMS are as: Primary Key: primary key is a grouping of one or more attributes
Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.
There are two major types of fragmentation: Horizontal& Vertical. Horizontal fragments, as the name suggests are subsets of tuples and vertical fragments are subsets of attributes
examples of fields in a database
Table Handling In RDBMS more than one table can be tackled at a time by using join operation. Join operation is a relational operation that causes 2 tables with a common domai
Explain heap file with advantages? Heap File is an unordered set or a group of records, stored on a set of pages. This class gives basic support for inserting, updating, select
What are domain constraints? A domain is a set of values that might be assigned to an attribute .all values that appear in a column of a relation must be taken fro
What is recursive closure? Why is it not possible to describe this operation in relational algebra? Recursive closure is applied to recursive relationship. An instance of rec
Index And Tree Structure Let us talk about the data structure that is used for creating indexes. Can we use Binary Search Tree (BST) as Indexes? Let us initial reconsider
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