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The figure below depicts the conceptual diagram of a banking system.
(a) Describe one example relevant to the system in figure, for each of the 4 types of enterprise applications integration.
(b) Should legacy systems be phased out or stay? Discuss from an EAI perspective.
(c) Describe how XML can be a point of integration in Enterprise Applications Integration.
(d) With the evolution of distributed computing and client server architecture towards SaaS and Cloud Computing, what are the new programming paradigms or concepts enabling EAI ?
(e) Assuming for the web delivery services different servers are identified; web servers, media servers, portal servers, and application servers. Give 1 current product on the market for each of them.
What are data models? Explain it detail? Entity relationship model Rectangles Ellipse Diamonds Lines Relational model Relational model use a collection
Data Independence This brings us to our next topic: data independence. It is the property of the database which tries to make sure that if we make any change in any level of sc
losers with new information systems
Probelm: a) In the context of OODBMS, define the following terms with appropriate examples. (i) Object class. (ii) Abstract class. (iii) Aggregation. (iv)
what is er digram given that example of hospital,bank and library er digram.
milestone assignment
The database is to record information about artists for a (music) production company. An artist is the name of a singer or band; the name of the artist, the year the artist started
Question 1 Draw a Data Flow Diagram for a University scenario Question 2 Discuss the following with suitable examples Relational Algebra Operators Database Pla
Ask q“A database will be made to store information about patients in a hospital. On arrival, each patient’s personal details (name, address, and telephone number) are recorded wher
Define the Division Operation of Relational Algebra Let R be a relation comprising attributes (A1,...Ap,Ap+1,...An) and S comprising attributes (Ap+1,...An) DEF: Division
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