database for online assignment system, Database Management System

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Entity-relationship diagram, 1. Item based services will be charged fixed p...

1. Item based services will be charged fixed prices, and time-based will be charged variably depending on time. Such as per hour. Item-based: Fixed, pedicure, waxing, threading, fa

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What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.

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Describe Graphical User Interface? Graphical User Interfaces (GUIs) - A GUI typically displays a schema to the user in diagrammatic form. The user can then specify a query th

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differences between a classified catalog and a dictionary catalog

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What is Alternate Key Alternate Key: This is the candidate key which is not taken as the primary key of the table. They are named so because although not the primary key, the

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The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.

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