Evolution of Software The Early Years (50’s – 60’s) * This generation was characterized by Batch orientation‚ limited distribution‚ and customization of software. * In Batch Processing‚ the system handles an entire sequence of jobs together‚ often with little or no human intervention. * Also‚ as computers were not widely used at that time‚ only in scientific and military institutions‚ software could be highly customized since distribution was limited. Job mobility was low‚ and the
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INTRODUCTION Valve software is a successful entertainment and software company with over 300 employees. Valve software wanted to create a working environment that empowered their employees and gave them the freedom to be creative. What they have achieved is a very successful company that operates on a ‘flat’ structure where there are no managers or supervisors to report to and all employees are equals. “The company tries to keep its structure flat to remove or reduce barriers between the employees
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Comparing and Contrasting the Relational Database Model and OO Model The relational database model is based upon tables or relations. In this model‚ the physical implementation of the database is abstracted away from the user. Users query the database using a high-level query language‚ such as SQL. The relations are made up of columns‚ which have headings indicating the attribute represented by that column. Tables have key fields‚ which can be used to identify unique records. Keys relate tables
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UPTREND VALUE : DATA BASE MARKETING In today’s competitive climate ‚marketing and cutomer’s data have became the most important key of strategic competition for many firm. This advances in bussiness and marketing makes firms more sensitive for data with the efficacy of increasing role of information technologies in preparing marketing strategies and its implementation. Together with increasing value of data and blooming customers – focused marketing concept ‚ firms have trended to systematic
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HISTORY OF CUTTING TOOL MATERIALS • Cutting tool used during the industrial revolution in 1800 A.D • First cutting tool was cast using crucible method (1740) and slight hardened by H.T. • 1868: R. Mushet found by adding Tungsten we can increase hardness and tool life ( Air Quenching) • F.W.Taylor in Pennsylvania did the most basic research in metal cutting between 1880-1905 • Invented high speed steel (better H.T. process) • Better alloy
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Eureka Centra Software Catalogue Ⅰ Ⅱ Ⅲ BACKGROUND ANALYSIS ALTERNATIVE PLANS Ⅳ COMMENTS Ⅴ PLAN IMPLEMENTATION Ⅰ Background Centra is a pioneer in software eLearning in the fast-growth market. However it faces the threat from WebEx‚ who sells exclusively over the phone. Now‚ It is debating how to modify its go-to-market strategy and how to add telesales to improve sales force productivity. Should Centra concentrate on the enterprise customer and exclude small and mid-size
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Database Modeling and Design: Logical Design 4th Edition Toby Teorey‚ Sam Lightstone‚ Tom Nadeau Lecture Notes Contents I. Introduction ................................................................………...……2 Relational database life cycle 3 Characteristics of a good database design process 6 II. The Entity-Relationship (ER) Model …………...……………….7 Basic ER concepts 7 Ternary relationships 11 III. The Unified Modeling Language (UML)………...…………….13 Class diagrams 13 Activity
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1. Advantages of database over Advantages of spread sheets; One of the advantages of database is that it reduced data redundancy this is because in databases‚ there is an identifier. The identifier is the primary key‚ where when it is entered‚ all other details‚ which saved under the primary key‚ will be revealed. Therefore‚ there’ll be less repetition of data. Next‚ databases improved data integrity‚ which it will guaranteed the data proven to be correct. Linked to the primary key function‚ the
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answer sheet. 1) A requirement is something a database needs to do in order to fulfill its purpose. True 2) You only need to include the most important stakeholders in the database discussions. False 3) Forms are used for gathering input. True 4) A transaction database is optimized to track transactions in real time. True 5) Data mining uses business intelligence tools and techniques on a variety of data sources brought together in a data warehouses. true
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Relational Database Design By Paul Litwin This paper was part of a presentation at a Microsoft TechEd conference in the mid-1990s. It was adapted from Microsoft Access 2 Developer’s Handbook‚ Sybex 1994‚ by Ken Getz‚ Paul Litwin and Greg Reddick. Reprinted with permission of the publisher. While the paper uses Microsoft Access (version 2) for the examples‚ the vast majority of the discussion applies to any database and holds up pretty well over 11 years after it was written. Overview Database design
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