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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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What are referential integrity constraints? A value that appears in single relation for a given set of attributes also appears for a particular set of attributes in another rel
wh
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explain in detail about crash recovery
Define about the Stored Procedure - It's a set of T-SQL statements combined together to perform a single task formed by combining numerous small tasks. - When you essentiall
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