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Probelm:
(a) A distributed database (DDB) is a collection of multiple, logically interrelated databases which are physically distributed over a computer network"
(i) Give advantages of a Distributed Database as compared to a centralised database.
(ii) Differentiate between a Heterogeneous DDB and Homogeneous DDB and describe under what circumstances would such systems generally arise?
(iii) Show the advantages of having data replicated at various sites.
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Explain the functions of data manager? Functions of Data Manager : - Convert operations in user's queries coming directly through query processor or indirectly in an applicatio
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Using the concepts defined previous, we have identified that strong entities in COLLEGE database are FACULTY, STUDENT, COURSE and DEPARTMENT. This database also has one weak entity
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