database system, Database Management System

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how the string works as keyword?

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Design Documentation  The Design Document shall be an extension of Requirements Analysis Design. "The Design Document will comprise a revised and much more detailed descrip

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Why Like predicate used for? LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.

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What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.

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Lock Based Protocol A lock is nothing but a mechanism that tells the DBMS whether a particular data item is being used by any transaction for read/write purpose. As there are t

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recovey techniques based on deferred update and immediate update

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Define the Query optimisation The query parser commonly generates a standard initial tree to correspond to an SQL query, with no doing any optimization. Such type of a canonica

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What are advantages of object models? Object models are efficient for communicating with the application experts and reaching a consensus about the significant aspects of the p

Create a e-r diagram, Information about films holds information about movie...

Information about films holds information about movies, stars and studios. Movies have a title, year of production, length and the film type. Stars have a name and address. Studi

Data Analysis, A buyer for a large department store chain must place orders...

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