#normalisation.., Database Management System

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define normalisation and functional dependency

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What is called as an N-way merge? The merge operation is a generalization of the two-way merge used by the standard in-memory sort-merge algorithm. It merges N runs, so it is k

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What is the main difference between read-only and update methods? A read-only method does not affect the values of a variable in an object, whereas an update method may alter t

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Question 1 Discuss the classification of DBMS based on location of database Question 2 Explain with examples different SQL commands used for creating and deleting relations.

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What is meant by computing the closure of a set of functional dependency? The closure of F denoted by F + is the set of functional dependencies logically implied by F.

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What are the several forms of identity? a) Value b) Name c) Built-in

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What is an object design? Object design is a very interactive method, which decides the relationship among objects, classifies operations on classes, determines overall system

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Order by clause By using this rows can be sorted It is used in the last portion of select statement By default it gets ascending order DESC: is used

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