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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.
Write short note on Events Events consist of inputs, interrupts, decisions and actions performed by any external device or users. Every event always has a sender and receiver.
Attributes attached to an entity can be of various types. Simple The attribute that cannot be further separated into smaller parts and shows the basic meaning is known as a
Define union compatibility? Explain why INTERSECTION of two relations cannot be performed if they are not union compatible? Two relations R(A1, A2,-------, An) and S(B1, B2,--
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
Do you have experts of the dbms
Suppose R is a relation with attributes A1, A2,..., An. As a function of n, tell how many superkeys R has, if: 1.1 The only key is A1. 1.2 The only key is A1 and A2. 1.3 The o
What is Conceptual Schema? Conceptual Schema - Conceptual schema elaborates the structure of the overall database for a community of users. It hides the details of physical sto
Explain the disadvantages of file oriented approach? In the oriented approach Applications are designed in isolation. Design of application is optimized for one application. In
Define Boyce codd normal form A relation schema R is in BCNF with respect to a set F of functional dependencies if, for all functional dependencies in F + of the form.α ->β.
Explain Superkey Ans: A superkey is described in the relational model of database organization like a set of attributes of a relation variable for which it holds that in all re
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