ER model, Database Management System

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coventions for displaying an ER schema as ER diagram

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Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.

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For problems 1-4, give all candidate keys for the tables with FDs specified.  Composite candidate keys must be put in parentheses, and candidate keys must be separated with commas

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What are the objectives of query processing?       Ans: The objectives of query processing is to transform a query written in a high level language into a accurate and efficien

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define anomalies and different types of anomalies with example

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Create a new user : CREATE USER IDENTIFIED BY Example: //CREATE USER MCA12 IDENTIFIED BY W123 Grant: It is used to give database access permission to users. It is of

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What are called multilevel indices? Indices with two or more levels are known as multilevel indices.

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