Map an E-R diagram to a relational schema, Database Management System

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I need to Map an E-R diagram to a relational schema

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Define query language?   A query is a statement requesting the retrieval of information. The portion of DML that includes information retrieval is known as a query language.

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What is meant by object identifiers? Object-oriented systems use an object identifier to recognize objects. Object identifiers are unique: that is every object has a single ide

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what characterizes the levels in RAID technology

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If one requires to access data using Logical Database , the use of events is unavoidable. Yes, if someone wants to access data using Logical database then the use of events

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

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Examine about the Behavioural Diagrams  The main objective of behavioural diagrams is to visualize, specify, construct and document dynamic aspects of a system. The interactio

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