chapter 5, Database Management System

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What is null, What is NULL? Simply NULL means not in value.

What is NULL? Simply NULL means not in value.

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Guidelines for creation of table: Table name should begin with an alphabet. In table name, single quotes and blank spaces are not allowed. Reserve words of that DBM

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Creating views with Replace option : This option is used to alter the definition of the view without recreating and dropping it or regranting object privileges previously granted o

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In object oriented design, which steps must designer take to adjust inheritance? To readjust inheritance following steps should be taken: i)  Rearrange and adjust the classe

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Example: Consider the following relations: ROLLNO NAME ADDRESS COURSE_ID 100 Ka

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What is storage manager? A storage manager is a program module that gives the interface among the low level data keeps in a database and the application programs and queries su

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Describe Database state in details? Database state: The actual data within the database at a particular moment in time is known as a database state.

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Attribute Preservation This is a easy and obvious necessity that includes preserving all the attributes that were there in the relation that is being decomposed.

Explain the ansi sparc architecture, Explain the ANSI SPARC architecture ...

Explain the ANSI SPARC architecture The three-schema architecture is as well known as ANSI SPARC architecture. The aim of the three-schema architecture is to separate the user

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Differentiate between horizontal & mixed horizontal fragmentation?

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