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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 Hete
Use of partial data by applications : In common, applications work with views rather than whole relations. Thus, it may be more appropriate to work with subsets of relations rather
what is lossless & dependency preserving decomposition ?
What are the several forms of identity? a) Value b) Name c) Built-in
Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
How does Oracle act as ODBC and give examples of front end uses with ODBC? ODBC achieve portability at the level of the executable by introducing an extra level of indirection.
Type of views : Simple views and Difficult Views Feature Simple Views Complex Views Number of tables One
Normalization :It is a process of examine the given relation schemas based on their primary key and Functional Dependencies (FDs) to achieve the properties Minimizing redun
Determine Which is not a consequence of concurrent operations? Ans: Update anomaly.
A domain is a set of permissible values that can be given to an attribute. So each attribute in a table has a definite domain. Values to these attributes cannot be assigned outside
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