databases. Types of Database Management Systems: There are four structural types of database management systems: * Hierarchical databases. * Network databases. * Relational databases. * Object-oriented databases Hierarchical Databases (DBMS) : In the Hierarchical Database Model we have to learn about the databases. It is very fast and simple. In a hierarchical database‚ records contain information about there groups of parent/child relationships‚ just like as a tree structure. The
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Software Requirements Document for BANK System Author: Andrew Laird‚ John Chargo‚ Guillermo Hernandez‚ John Leacox Version Date Author Change 0.1 09/05/04 SM Initial Document 0.2 02/01/06 JC Wrote 1.1-1.3‚ 2 Overview-2.1.3‚ 2.3 Designed sequence diagrams for 2.2.5 - 2.2.8 0.3 02/01/06 AL Designed 2.2.3 - 2.2.5 Designed sequence diagrams for 2.2.3 and 2.2.4 0.4 02/01/06 GH Designed 2.2.1‚ 2.2.2‚ 2.2.6 – 2.2.8 Designed sequence diagrams for 2.2.1-2.2
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AN INTRODUCTION TO IGNEOUS AND METAMORPHIC PETROLOGY OHN D. WINTER An Introduction to Igneous and Metamorphic Petrology An Introduction to Igneous and Metamorphic Petrology John D. Winter Department of Geology Whitman College EB00062387 Prentice Hall Prentice Hall Upper Saddle River‚ New Jersey 07458 Library of Congress Cataloging-in-Publication Data Winter‚ John D. (John DuNann) An introduction to igneous and metamorphic petrology/by John D. Winter. p. cm. Includes
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Outline Chapter 3 Expansion and Diversity: The Rise of Colonial America‚ 1625-1700 The Stuart Dynasty in England Name‚ Reign Relation to America James I‚ 1603-1625 VA.‚ Plymouth founded; Separatists persecuted Charles I‚ 1625-1649 Civil Wars‚ 1642-1649; Mass.‚ MD formed Interregnum‚ 1649-1660 Commonwealth; Protectorate (Oliver Cromwell) Charles II‚ 1660-1685 The Restoration; Carolina‚ Pa.‚ N.Y. founded; Conn
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Key Concepts and the Principles of Assessment “Assessment focuses on the learners’ performance. It is about measuring achievement‚ both ongoing (formative) and at the end of the programme (summative).” Wallace. S (2007: 118) Assessment is a process through which we gauge a learners level and progression‚ ensuring learning is taking place and the learner is developing their skills and knowledge. Susan Wallace recognises the importance of assessment as more than a means of determining learner
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TABLE OF CONTENT Preface 2 TABLE OF CONTENT 2 3. System Components 6 4. Detailed Design 30 1. Introduction 1.1. Purpose The purpose of Software Design Description is to identify what need to coded that is specified in SRS. In this document‚ brief information of Hotel Management System will be given. 1.2. Scope In this document‚ the detailed description of Hotel Management System will be given. Our hotel management system project will have a web interface.
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What Is Super Key In Dbms? Superkey - A superkey is defined in the relational model as a set ofattributes of a relation variable (relvar) for which it holds that inall relations assigned to that variable there are no two distincttuples (rows) that have the same values for the attributes... in Software What Is Super Key In Dbms Give Example? A superkey is a combination of attributes that can be uniquely used to identify a database record.With primary key if any other attribute is added then that
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DBM/381 DBMS – Access versus Excel Database management systems (DBMS) are a set of computer programs that allow businesses to place control of the creation‚ maintenance‚ and use of a database in the hands of database administrators. These software packages allow different user application programs access to the integrated collection of files called databases. Spreadsheet applications are programs that allow a person to create and manipulate spreadsheets on a computer. This paper will
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Given the business rule “an employee may have many degrees‚” discuss its effect on attributes‚ entities‚ and relationships. (Hint: Remember what a multivalued attribute is and how it might be implemented.) Multivalued attributes are attributes that can have multiple values. In the given business rule it is clearly that degree (attribute) may have multiple values in it. In this scenario we may have three possibilities 1. Degrees can be stored in as single attribute named Emp_Degree in Employee table
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HA 380 Cultural Interview Wen Bo Yang 2014/3/12 The person I interviewed is Makena Knapp. She is from California. 1. How they see your culture as different from their own Our culture has more history and traditions. 2. How they see your culture as similar to their own Her cultures have flourished in business and the arts. 3. What differences were most surprising or difficult to adjust to The language barrier is a difficult difference. 4. How they feel about questioning or disagreeing with
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