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Question
(a) Differentiate between the following terms:
(i) Distributed Database v/s Distributed Database management System (ii) Homogeneous Distributed Database v/s Heterogeneous Distributed Database
(b) Explain the following terminologies with regard to Distributed Database.
(i) Fragmentation (ii) Replication (iii) Transparency
(c) In the context of distributed database management systems, explain the following fragmentation rules and support your answer with an appropriate example of a Horizontal Fragmentation:
(i) Completeness (ii) Reconstruction (iii) Disjointness
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,--
CAN SOMEONE HELP ME WITH ENTITY DIAGRAMS IN FIRST NORMAL FORM?
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The Database MySQL scripts cars_for_sale.sql and car_details.sql containing the data to use for this task have been supplied. To complete this task, you need to first create
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Insulation between conceptual and physical structures It can be defined as: 1. The Database Administrator should be capable to vary the storage structures without affectin
Determine the Disadvantages of file based systems Some of the disadvantages of file based systems are like this: Data redundancy and inconsistency: the dissimilar applic
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