'Relational schema' diaporamas de présentation

PART 2

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Introduction to Databases

Introduction to Databases. Structure. Motivation Introduction to MySQL Example Queries Using SQL to query SCOP. Motivation. In the last term , we accessed most information online via the web we interacted directly and manually with databases and tools

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Web-Enabled Decision Support Systems

Web-Enabled Decision Support Systems. Relational Data Modeling and Normalization. Prof. Name name@email.com Position (123) 456-7890 University Name. Overview. 4.1 Introduction 4.2 The Relational Data Model 4.3 Relational Keys

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Relational Database Design

Relational Database Design. Bill Woolfolk Public Health Sciences University of Virginia woolfolk@virginia.edu. Objectives. Understand definition of modern relational database Understand and be able to apply a practical method for designing databases

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Relational Design

Relational Design. Prof. S. Mehrotra Information and Computer Science Department University of California at Irvine. Database Design Process. Conceptual Modeling -- ER diagrams ER schema transformed to relational schema

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Relational Model

Relational Model . Naveen Ashish Calit2 & Information and Computer Science Department University of California at Irvine. Outline. Relational model basic modeling concepts for schema specification Mapping ER diagrams to Relational Model Relational Languages relational algebra (algebraic)

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Chapter 2 The Relational Database Model

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Systematic Approach for Information Systems Reengineering

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Chapters IV, XV, and XVI

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Haas Career Management Center Database

Haas Career Management Center Database. IEOR 115 Ken Goldberg Final Presentation December, 10, 2011. Samuel Lin | AlliZheng | Tao Luo | Yorke Lee | Carney Lu Justin Pao | Butian Li | AdibKashem. Overview. Background.

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XML-to-Relational Schema Mapping Algorithm ODTDMap

XML-to-Relational Schema Mapping Algorithm ODTDMap. Speaker: Artem Chebotko* Email: artem@wayne.edu Wayne State University Joint work with Mustafa Atay, Shiyong Lu and Farshad Fotouhi. Introduction. XML has emerged as the standard for representing and exchanging data on the World Wide Web.

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Tracking Computer Inventory for Kaiser Permanente

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Mail-Order Company Database

Mail-Order Company Database A small mail-order company must maintain the following information: The company must keep track of all its customers with their names, addresses, and the dates of their first orders. A unique customer number is assigned to each customer.

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SQL EX 2

SQL EX 2. Complex SQL. Sub query Rules. The ORDER BY clause may not be used in a sub query. The sub query SELECT list must consist of a single column name or expression, except for sub queries that use the keyword EXISTS.

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ER to Relational Mapping

ER to Relational Mapping. Strong Entity Relation:. Employee( ssno name salary). name. ssno. salary. Key : ssno. employee. ER to Relational Mapping. Weak Entity Relation : acct# customer balance transaction(acct#,trans#, amount ). account. Key :

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EntityFrame work and LINQ

EntityFrame work and LINQ. CH 14. linq. LINQ enables you to query data from a wide variety of data sources, directly from your programming code. LINQ is to .NET programming what SQL is to relational databases.

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National Polytechnic Institute of Cambodia Faculty of Computer Science

National Polytechnic Institute of Cambodia Faculty of Computer Science Practical Learning with Mapping ER to Relational Schema (Chapter 3). Exercise 1 Transform the following ER diagram to a relational schema that shows referential integrity constraints.

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Seminar 2: Simple SQL Retrievals

Seminar 2: Simple SQL Retrievals. Purpose To write simple SQL queries. To retrieve relations in different order. Scenario The Company database contains data about the departments with their employees, as well as for the department projects with the employees working on them.

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Riyadh Philanthropic Society For Science Prince Sultan College For Woman

Riyadh Philanthropic Society For Science Prince Sultan College For Woman Dept. of Computer & Information Sciences CS 340 Introduction to Database Systems (Chapter 7 Tutorial). Exercise 1

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