'Composite key' presentation slideshows

Chapter 4

Chapter 4. Entity Relationship (ER) Modeling Database Systems: Design, Implementation, and Management, Sixth Edition, Rob and Coronel. In this chapter, you will learn:.

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PMIT-6102 Advanced Database Systems

PMIT-6102 Advanced Database Systems. By- Jesmin Akhter Assistant Professor, IIT, Jahangirnagar University. Lecture 04 Relational Database Design Normalization-Part-2. Outline. Overview of Relational DBMS Normalization. Part_ID ? Description Part_ID ? Price Part_ID, Comp_ID ? No.

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IT-3101 Database Management Systems

IT-3101 Database Management Systems. By- Jesmin Akhter Assistant Professor, IIT, Jahangirnagar University. Lecture 05 Relational Database Design Normalization-Part-2. Outline. Overview of Relational DBMS Normalization. Part_ID ? Description Part_ID ? Price Part_ID, Comp_ID ? No.

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Conceptual / semantic modelling

Conceptual / semantic modelling. Overview. design; conceptual design; ER model concepts; semantic aspects; problems; Enhanced ER (EER) modelling; transforming an ER (EER) model into a relational model. Design.

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Duplicate record detection

Duplicate record detection. AHMED K. ELMAGARMID PURDUE UNIVERSITY, WEST LAFAYETTE, IN Senior member, IEEE PANAGIOTIS G. IPEIROTIS LEONARD N. STERN SCHOOL OF BUSINESS, NEW YORK, NY Member, IEEE computer security VASSILIOS S. VERYKIOS UNIVERSITY OF THESSALY, VOLOS, GREECE

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Database Modeling Using the Entity-Relationship Model (Chapter 3)

Database Modeling Using the Entity-Relationship Model (Chapter 3). Entity-Relationship Model. E-R model was introduced by Peter Chen in 1976 It is a graphical approach to database modeling. It describes data as entities, relationships and attributes. Elements of ER Model. Key elements:

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Ch5: ER Diagrams - Part 1

Ch5: ER Diagrams - Part 1. Much of the material presented in these slides was developed by Dr. Ramon Lawrence at the University of Iowa. Topics. Notation basics (Some) Diagram rules Alternative notations. The Importance of Database Design.

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DBS201: Relational Databases

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DBS201: Relational Databases

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Data Modeling with ERD

Data Modeling with ERD. BUS 782. Entities. An entity is a person, place, object, event, or concept in the user environment about which the organization wishes to maintain data. Person: Employee, Student, patient Place: Warehouse, Store Object: Product, Machine.

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HBase and Hive at StumbleUpon

HBase and Hive at StumbleUpon. Jean-Daniel Cryans DB Engineer at StumbleUpon HBase Committer @jdcryans, jdcryans@apache.org. Highlights. Why Hive and HBase? HBase refresher Hive refresher Integration Hive @ StumbleUpon Data flows Use cases. HBase Refresher.

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An Example: Video Rental System

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The Relational Model

The Relational Model. DB Chapter 2 (and some from chapter 4, 5). J.G. Zheng June 27 th 2005. Overview. Relational model terminologies and foundations Some design concepts. Introduction. Edgar F. Codd, 1970 One sentence to explain relational database model:

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Python Tool to create genetic Divergence landscapes

Python Tool to create genetic Divergence landscapes. William Perry U.S. Geological Survey Western Ecological Research Center Geography 375 Final Project May 22, 2013. Background. Rapidly growing field of landscape genetics in ecological research

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Lecture 3

Lecture 3. Mapping from ERD to Relational database schema. ER model used for mapping. 1. Mapping strong entity types.

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Relational Data Models

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NORMALIZATION

NORMALIZATION. Chapter objective:. What is Normalization Need of Nomalization Procees of Normalization Types of Normalization. Definition:.

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Chapter 11 & 12 Entity-Relationship (E-R) Model

Chapter 11 & 12 Entity-Relationship (E-R) Model. Characteristics of E-R Model Components of E-R Model Example of E-R Model Enhanced E-R Model. Characteristics of E-R Model. Semantic data model Express the logical properties of an enterprise database

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Hourly rate and Employee Name pertain to Employee No. (key)

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