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Compute the closure (F+) for the following set of the functional dependencies defined on R(a,b,c,d), where F - {c→a, ab→d, a→b, d→c}, i.e. what are all of the FDs implied by F (Hint; there's 24 of them).
What is average response time? The average response time is that the average time for a transaction to be done after it has been submitted.
Control Files : The redo and control files logs support the rest of the architecture. Every database must have at least one control file, although you have more than one to guard
What is conceptual model ? A conceptual model is a independent of both hardware and software.
In an organization several projects are undertaken. Each project can employ one or more employees. Each employee can work on one or more projects. Each project is undertaken on the
compare the features of oracle RDBMS with MySQL and Microsoft SQL server
Explain view in RDBMS? View - A view is a relation (virtual rather than base) and could be used in query expressions, which is, queries can be written by using the view as a re
Project: Microsoft Access You have been asked by the ABC Tanning Salon to create a database that can be used to track the salon's customers. You are to create a table in Access
What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
explain external view
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