Entity-Relationship Modeling COMP313 ± Database Management System a technique used to analyze & model the data in organizations using an Entity Relationship (E-R) diagram.…
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Topic DM Question ----------------- is an entity that cannot be uniquely identified by its own attributes alone "some employees are married to other employees"…
1. Normalization is the process where a database is designed in a way that removes redundancies, and…. increases the clarity in organizing data in a database. 2. In easy…
1. Databases Information system Query system Storage system Data 1 2. Databases Information system Query system Storage system Data • Book • Book title • Sequence •…
Slide 1Database Design: Normalization J.G. Zheng June 29 th 2005 DB Chapter 4 Slide 2 2 Overview Normalization First three normal forms Slide 3 3 Introduction/Review Two…
Slide 1Module 5: Joining Multiple Tables Slide 2 Overview Using Aliases for Table Names Combining Data from Multiple Tables Combining Multiple Result Sets Slide 3 Using Aliases…
Slide 1Data Analysis 1 Chapter 2.1 V3.1 Copyright @ Napier University Dr Gordon Russell Slide 2 Entity Relationship Modelling Overview Database Analysis Life Cycle Components…
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