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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.
Explain the Project-Join normal form A relation R is in PJNF along with respect to a set of functional dependencies D if for all join dependencies of the outline *(R 1 , R 2 ,
A constraint named less_than_20 was defined on the field date_of_birth of table student. Delete this constraint. ALTER TABLE student DROP CONSTRAINT less_than_20;
Benefits of Sequential File Organisation It is quick and efficient when dealing with huge volumes of data that require being processed periodically (batch system). Dra
If R1 and R2 are two relations or functions, then the result of R3 = R1 × R2 is the combination of tuples that are in R1 and R2. The product is associative and commutative. Degr
Define upgrade and downgrade? It gives a mechanism for conversion from shared lock to exclusive lock is called as upgrade. It gives a mechanism for conversion from exclusive
a project based on normalization with first, second and third normalization. There need to be a diagram also
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: Entity set that
Determine the advantage of object-orientation Finally, object-orientation has advantage of continuity throughout analysis, persistent representation and design implementation.
What are the purpose for having variable length records? What kinds of separator characters are required for each? Variable-Length Records - Variable-length records are thos
1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict
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