one to one relationship, Database Management System

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how map binary relation one to one

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Q.1 Briefly discuss the different layers of ANSI SPARC architecture. Ans: The three layers of ANSI SPARC architecture are like this: 1. Internal view is at the lowest leve

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It defines that the tuple in one relation that refers to another relation must refer to an existing tuple in that relation. This constraint is states on two relations (not essentia

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What is a query tree?     Ans:  A query tree, as well known as operator graph, is a tree data structure that corresponds to a relational algebra expression. It denotes the inpu

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(a)    Provide the description of the following ODMG schema in the Object Definition Language (ODL). (b)   Based on the above object database, write the following queries i

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The Update Operations : Update operations are used for altering database values. The constraint violations faced by this operation are logically the similar as the problem faced

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Problem 1. Write the SQL queries using Data Manipulation Language (DML) statements. Insert values into student table with field names using insert command Display the

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By using the delete operation some consisting records can be deleted from a relation. To delete some definite records from the database a condition is also specified based on which

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How to create values of structured type? Constructor functions are used to make values of structured types. A function with the similar name as a structured type is a construct

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