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Create centralized relational database using bottom up method. (a) Recognize a single un-normalized relation for the above scenario. (b) Recognize the primary key for the un-normalized relation. (c) Recognize all functional dependencies available in the above scenario. (d) From identified functional dependencies, produce a set of Boyce Codd Normal form relations. BCNF. (No need to do 1NF, 2NF and 3NF).
What is persistency? Persistency ensures which data is stored and that after the object is no longer available (program stops running) the data will be available to other users
Give the levels of data abstraction? There are three levels of Data Abstraction a) Physical level b) logical level c) view level
what is cascading? what is rollback cascading? please explain in detail
data models are being replaced over years. Reasons and why does that happen?
find the name of supplier who supply some red part
XYZ is a large chain of home entertainment rental over 100 stores distributed over all states in Australia. XYZ lends entertainment products such as movies, TV shows and games on v
What are the parts of SQL language? The SQL language has various parts: data - definitition language Data manipulation language View definition Transaction contr
Determine the advantage of object-orientation Finally, object-orientation has advantage of continuity throughout analysis, persistent representation and design implementation.
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
what factors might influence a company to outsource its IT infrascture.
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