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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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how the string works as keyword?
Normal 0 false false false EN-US X-NONE X-NONE
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Answer SQL Queries to extract data from data tables and questions on mapping conceptual data models into relational data model.
A database to track your progress in your college program will track your progress towards graduation! A database that has information containing the classes that you have taken, c
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