ERD, Database Management System

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1. Create the tables for the play-scheme database as specified in the TMA. 2. Enter the data as given in the spreadsheet. 3. Create queries to retrieve specified information

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When It is better to use files than a DBMS? It is better to use files than a DBMS when Multiple users wish to access the data.

Entity identifier key attributes, An entity type usually has an attribute w...

An entity type usually has an attribute whose values are distinct for every individual entity in the collection. Such an attribute is known as a key attribute and its values can be

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Explain the concept of QBE? Query-by-example represents a visual/graphical approach for accessing information in a database by the use of query templates called as skeleton tab

find a non-redundant cover and canonical cove, Given the following set of ...

Given the following set of functional dependencies {cf→ bg, g → d, cdg → f, b → de, d → c} defined on R(b,c,d,e,f,g) a. Is cf→ e implied by the FDs? b. Is dg a superkey?

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Project Description: This is going to be a School portal to handle each activities in school such as, School fees payment, online registration and every other payment, course re

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How does the system cope up with a record crash when recovery is going on after the first crash? Ans:  In a system the undo and redo operations are needed to be idempotent to c

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explain exhaustively the problems associated with ER diagrams. include illustrations in your answer

Define the boyce-codd normal form, Define the Boyce-Codd Normal Form with i...

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