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What are the uses of functional dependencies? To test relations to see whether they are legal under a given set of functional dependencies. To state constraints on the set
PART MARKING: We will only mark TWO of the four questions below but you must submit answers to all four. We will choose the questions we mark randomly and we will supply you with
Objectives Define the terms RECOVERY and INTEGRITY; Define Recovery Techniques; Explain Error and Error detection techniques, and Define types of Authorisation.
gyan gurukul is a software company that provides software related solution.
properties of derirable decomposition
how does Btree differ from a B+ - tree?
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
What are the Constituents of File? Also elaborates all the possible file operations? A file is organised logically as sequence of record. These records are mapped onto disk blo
Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
Compare wait-die deadlock prevention scheme with wait-wound scheme Ans: Wait-Die Scheme a) Based upon a nonpreemptive technique. b) If Pi requests a resource present
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