SOFTWARE REQUIREMENTS SPECIFICATION(SRS) FOR AIRLINE DATABASE Table of Contents 1. Introduction 1.1 Purpose 1.2 Document Conventions 1.3 Intended Audience and Reading Suggestions 1.4 Project Scope 1.5 References 2. Overall Description 2.1 Product Perspective 2.2 Product Features 2.3 User Classes and Characteristics 2.4 Operating Environment 2.5 Design and Implementation Constraints 2.6 Assumptions and Dependencies 3. System Features 4. External Interface Requirements 4.1 User Interfaces 4.2 Hardware
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RESIDES (PERSON_NAME‚ STREET‚ CITY‚ STATE)WORKS (PERSON_NAME‚ COMPANY_NAME‚ SALARY)ADDRESS (COMPANY_NAME‚ CITY‚ STATE‚ ZIP)MANAGES (PERSON_NAME‚ MANAGER_NAME) 3. Find all employees who live in the same city and street as their manager (3 pts) SELECT R.PERSON_NAME‚ M.MANAGER_NAME‚ R.STREET‚ R.CITY‚ R2.STREET‚ R2.CITY FROM RESIDES R‚ MANAGES M‚ RESIDES R2 WHERE R.PERSON_NAME = M.PERSON_NAME AND M.MANAGER_NAME = R2.PERSON_NAME AND R.STREET = R2.STREET AND R.CITY = R2.CITY 4. Find all persons who do
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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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banks are connected the payment is processed by the bank for simplicity. E-R Diagram Tables and Primary Keys Normalization Forms The three normalization forms are 1. First normal form 2. Second normal form 3. Third normal form First normal form First normal form states that there should be no repeating elements or groups of elements in any table of database. As we can see that every table has a primary key which is unique for every tuple in every table so we can’t have repeating
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1. Define each of the following Terms a) File Organization: A technique for physically arranging the record of a file on secondary storage devices. b) Sequential File Organization: The storage of records in a file in sequences according to primary key value. c) Indexed File Organization: The storage of records either sequentially or consequentially with an index that allows software to locate individual records. d) Hashed File Organization: A storage system in which the address for each record
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Huffman Trucking Company consulted with another company known as Smith Systems Consulting to develop entities and attributes for a database for the fleet truck maintenance‚ but was unable to complete the job successfully. A dependable database is required to provide tracking of the scheduled and unscheduled maintenance for their fleet. The development will contain a database with forms‚ tables‚ queries‚ and reports which track maintenance records‚ inventory of parts‚ and any purchases from vendors.
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1 Chapter 1 Database Systems Database Systems: Design‚ Implementation‚ and Management‚ Seventh Edition‚ Rob and Coronel 1 1 In this chapter‚ you will learn: • The difference between data and information • What a database is‚ what the different types of databases are‚ and why they are valuable assets for decision making • The importance of database design • How modern databases evolved from file systems Database Systems: Design‚ Implementation‚ & Management‚ 7th Edition‚ Rob
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During class time. Preview • • • • • • Normalization Solution: Normal Forms Introducing 3NF and BCNF 3NF Examples BCNF Normalization • Normalization is the process of efficiently organizing data in a database with two goals in mind • First goal: eliminate redundant data – for example‚ storing the same data in more than one table • Second Goal: ensure data dependencies make sense – for example‚ only storing related data in a table Benefits of Normalization • • • • • • Less storage space Quicker
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College of Business Hospitality & Tourism Studies Department of Computer Science & Information System CIN623 Database Design & Programming Final Examination Trimester 1 – 2011 Date: Duration:3 hours plus 10 minutes INSTRUCTION TO STUDENTS 1. You are allowed ten minutes extra reading time during which you are not to write 2. Write all answers to each question in the Answer Booklet. 3. Write your Student ID number at the top of each attached sheet. 4. Insert all written foolscaps in their correct sequence
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Databases Team B ACC/340 June 13‚ 2011 Richard Calabria Databases In today’s business society‚ technologies such as databases are a vital part of just about every major retail business including the Riordan’s organization. Many people overlook the importance of the role of databases in business because they are integrated so well. Databases definitely affect the output part of the accounting cycle because it includes company’s financial data and other external reports that
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