Designing Databases: Building a Conceptual Data Model [1] Fundamentals of Databases Alvaro A A Fernandes School of Computer Science University of Manchester Acknowledgements 2 These slides are minor adaptaAons of material authored and made available to instructors by Ramez Elmasri
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Download at www.eBook12.Com Download at www.eBook12.Com This page intentionally left blank Download at www.eBook12.Com Introduction to Database Management Mark L. Gillenson‚ Paulraj Ponniah‚ Alex Kriegel‚ Boris M. Trukhnov‚ Allen G. Taylor‚ and Gavin Powell with Frank Miller Download at www.eBook12.Com Credits PUBLISHER Anne Smith ACQUISITIONS EDITOR Lois Ann Freier MARKETING MANAGER Jennifer Slomack SENIOR EDITORIAL ASSISTANT Tiara Kelly PRODUCTION MANAGER Kelly Tavares PRODUCTION
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CS6083: Principles of Database Systems ! Systems Concepts‚ 6th Edition‚ McGraw-Hill 2009. (The 4th and 5th editions are also OK to use.)! Will use slides from book as well as extra material! Posted on course page a day ahead of class! Database System Concepts - 6th Edition! Modified by T. Suel for CS6083‚ NYU Poly‚ Fall 2012! 1.1! ©Silberschatz‚ Korth and Sudarshan! CS6083: Principles of Database Systems ! Prerequisites: Data Structures‚ Operating Systems! Binary search trees
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EE4791 Database Systems 2012-13 Project (CA‚ 20%) Design and Implementation of the Database with Microsoft Access. Group assignment (1-3 persons per group): 1. Propose a database Case Study with at least 5 tables. Write down the requirements on the database. 2. Draw EER diagram. 3. Give relational model (i.e.‚ logical scheme). Normalize up to 3NF. 4. Create the tables in MS Access in Design View. Choose indexes for your query. Implement data integrity (default value‚ range values‚ etc) 5. Implement
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Database concepts | Assignment 1 | | Robyn Wright | 3/27/2013 | | Contents Introduction 2 Task 1 3 1.1 Definition of database management system 3 1.2 5 Advantages of database management system 3 1.3 3 Business functions database management system could do 3 1.4 5 database management system packages 3 1.5 10 Factors when choosing a database management system 3 Task 2 5 2.1 Create a database if it does not yet exist 5 2.2 Show if the database has been
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Exam Name___________________________________ TRUE/FALSE. Write ’T’ if the statement is true and ’F’ if the statement is false. 1) With the introduction of the computer the need for automated tools for protecting files and other information stored on the computer became evident. 2) There is a natural tendency on the part of users and system managers to perceive little benefit from security investment until a security failure occurs. 3) There are clear boundaries between network security and internet
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command? Selected Answer: SELECT HireDate‚ COUNT(*) FROM EMPLOYEE WHERE Salary < 30000; Question 9 5 of 5 points Because SQL stored procedures allow and encourage code sharing among developers‚ stored procedures give database application developers the advantages of less work‚ standardized processing‚ and specialization among developers. Selected Answer: True Question 10 5 of 5 points The SQL command used to create a virtual table is ________.
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sorts of people need access to companies’ databases. In addition to a company’s own employees‚ these include the company’s customers‚ potential customers‚ suppliers‚ and vendors of all types. It is possible for a company to have all of its databases concentrated at one mainframe computer site with worldwide access to this site provided by telecommunications networks‚ including the Internet. Although the management of such a centralized system and its databases can be controlled in a well-contained manner
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DataBase Concepts DataBase – a collection of information related to specific entity (e.g. organization‚ bank‚ college‚ library etc.) DBMS – (Database management system) – a application through which we can control the database i.e. we can store data into database‚ update the data and delete also we can retrieve the data from database. For doing these operation DBMS support a language called Structured Query language (SQL). SQL accomplishes many powerful tasks with a mere seven statements: SELECT
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Concurrency Control in Distributed Database Systems PHILIP A. BERNSTEIN AND NATHAN GOODMAN Computer Corporation of America‚ Cambridge‚ Massachusetts 02139 In this paper we survey‚ consolidate‚ and present the state of the art in distributed database concurrency control. The heart of our analysts is a decomposition of the concurrency control problem into two major subproblems: read-write and write-write synchronization. We describe a series of synchromzation techniques for solving each subproblem
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