DataBig Data and Future of Data-Driven Innovation A. A. C. Sandaruwan Faculty of Information Technology University of Moratuwa chanakasan@gmail.com The section 2 of this paper discuss about real world examples of big data application areas. The section 3 introduces the conceptual aspects of Big Data. The section 4 discuss about future and innovations through big data. Abstract: The promise of data-driven decision-making is now being recognized broadly‚ and there is growing enthusiasm
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Lesson 1 What is a database: A database is a group of data that has been organised in a table or group. This makes it easy to find data‚ but also allows you to not have any duplicates in a group. A database is used in a school or college to store students date of births. This allows the school to be able to see how old the students are. The database can also be password protected to keep the data safe. What is a flat file database: A flat database is where you have all your data in one table. This
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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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Specialized Database Presentation Specialized Database Presentation Team B: Chappell Grant‚ John Hainline Linda Hannigan DBM/384 Special Purpose Databases Brando Sumayao Specialized Database Presentation • • • • • • • • • • Executive Overview Strategic Goal Proposal Comparison of different database and purposes SQL concepts relative to spatial and temporal databases Uses of databases in the business environment Description of the information retrieval process in relations to the specialized
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maintains a database of over 43 million households with Blockbuster memberships all used to help customers select movies. Blockbuster origins date back to 1985‚ when the first Blockbuster store was open in Dallas. Currently Blockbuster is a world-class company operating with thousands of locations and billions of dollars in revenue. Throughout this paper‚ the database management of Blockbuster will be explained – from customer database‚ to marketing database. Blockbuster Database Management
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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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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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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 6) The domain
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August 4‚ 2009 What is Database Normalization? Database Normalization is a systematic way of ensuring that a database structure is suitable for general – purpose quering and normalization is the process of efficently organizing data in a database. This process was first introduced in 1970 by E.F. Codd and has since been redefined to higher normal forms. The two goals of the normalization process are: eliminating redundant data and ensuring that data dependencies make sense. These goals reduce
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DNA databases In 1992‚ The United States‚ Federal Bureau of Investigation funded the Combined DNA Index System (CODIS). It is a computer system that stores DNA profiles created by federal‚ state‚ and local crime laboratories in the United States‚ with the ability to search the database in its entirety; it also helps agencies identify suspects of crime. The origin of CODIS is attributed to the Scientific Working groups (SWG) that began in the late 80’s. SWG was backed by the FBI Laboratory which
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