SQL INTRODUCTION Diaz‚ Francis Lorenzo A. BSM CS 3B G2 History of SQL SQL began life as SEQUEL11‚ the Structured English Query Language‚ a component of an IBM research project called System/R. System/R was a prototype of the first relational database system; it was created at IBM’s San Jose laboratories by Donald D. Chamberlin and Raymond F. Boyce in 1974‚ and SEQUEL was the first query language to support multiple tables and multiple users. In the late 1970s‚ SQL made its first appearance in
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Chris Peterson at DSS Consulting Presentation of the Facts Surrounding the Case The case examines a dispute between Meg Cooke‚ DSS’s COO and Chris Peterson‚ newly appointed Southwest Region’s team leader. Cooke appointed Peterson a leadership role for one of the newly structured cross-functional teams designated to create a new integrated budget and planning system. The cross functional teams were tasked with building relationships with existing school districts in their regions and provide them
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Database Development Process 1. Define business processes Many database development efforts begin by defining the key business and/or operational processes within the organization Developers first create high-level models showing the major activity steps associated with marketing‚ sales‚ production‚ human resource management‚ public relations‚ research and development‚ and so on Taken together‚ these process maps represent an enterprise-wide model of the organization and its core 2. Determine
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IT Consulting Company is a professional IT consulting company oriented on the business sphere in the USA and abroad. Covering a relatively wide range of services‚ the company has earned a good reputation and a loyal customer base. The 4P’s analysis demonstrates that the relatively low price rates‚ convenient geographic location‚ and narrow business orientation proved to be the key factor in the company’s success. The 5C’s analysis indicates the conditions under which the company can develop its marketing
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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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You’re applying to Harvard Business School. We can see your resume‚ school transcripts‚ extra-curricular activities‚ awards‚ post-MBA career goals‚ test scores and what your recommenders have to say about you. What else would you like us to know as we consider your candidacy? There is no word limit for this question. We think you know what guidance we’re going to give here. Don’t overthink‚ overcraft and overwrite. Just answer the question in clear language that those of us who don’t know your world
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2.5 Database 2.5.1 Introduction A database is a collection of information that is organized so that it can easily be accessed‚ managed‚ and updated. Databases in particular can form a key part of an information management plan which can support researchers and facilitate data management throughout the research lifecycle. Database technology can assist data at the collection stage by providing customized ways to input data‚ and the ability to do so from different locations such as five different
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The Boston Consulting Group: An Analysis In 1963 Bruce Henderson billed a total of $500 for his first month ’s work at the Boston Consulting Group. Little did he know that over the next 40 years‚ his company of 1 employee in Boston would grow to more than 2‚600 employees throughout 37 countries‚ together‚ generating over $1 billion a year in profit. Today‚ with 60 offices worldwide‚ the company is prospering beyond Henderson ’s wildest dreams. I selected this firm after seeing their list of
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Object interaction diagrams are useful in this respect. The OO design phase should include the design of optimal access and index structures to support the navigation paths of the most important use cases‚ and the concurrency characteristics of the system should be explored with techniques such as CRUD charts. In short‚ using standard OO analysis and design techniques to produce the correct application architecture is essential when implementing large‚ high-performance‚ scalable and reliable OODB based
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Files and Relational Databases What is a file? • contains groups of records used to provide information for operations‚ planning‚ management and decision making. • can be used for storing data for an indefinite period of time‚ or they can be used to store data temporarily for a specific purpose. FILE TYPES • Master Files -- contain records for a group of entities. The attributes may be updated often‚ but the records themselves are relatively permanent. These files
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