...KELLER GRADUATE SCHOOL OF MANAGEMENTapplied Research projectDatabase TrendssUBMITTED BYAndrew HoPatrick TchissamboFlavio baptista | | | PROFESSOR TAHEREH DANESHI | Summary page Our project is about database trends. We started the project by identifying aims and goals such as understanding what database is.We calculated in detail and understood and researched on database understood database used by ORACLE. INTRODUCTION The definition of a database is a structured collection of records or data that is stored in a computer system. In order for a database to be truly functional, it must not only store large amounts of records well, but be accessed easily. In addition, new information and changes should also be fairly easy to input. In order to have a highly efficient database system, you need to incorporate a program that manages the queries and information stored on the system. This is usually referred to as DBMS or a Database Management System. Besides these features, all databases that are created should be built with high data integrity and the ability to recover data if hardware fails. (What is a Database?, 2010) AIM The aim of the study is many folded such as, understanding database, go in detail and understand and research on database, understand the technology used by ORACLE, derive conclusions on the development in the field of database. LIMITATIONS This study is descriptive in nature and the research is done on published secondary materials. Logical...
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...Fundamentals of Database Systems Preface....................................................................................................................................................12 Contents of This Edition.....................................................................................................................13 Guidelines for Using This Book.........................................................................................................14 Acknowledgments ..............................................................................................................................15 Contents of This Edition.........................................................................................................................17 Guidelines for Using This Book.............................................................................................................19 Acknowledgments ..................................................................................................................................21 About the Authors ..................................................................................................................................22 Part 1: Basic Concepts............................................................................................................................23 Chapter 1: Databases and Database Users..........................................................................................23 ...
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...of Groupware tool 3 2 Competitive Advantage 4 2.1 Making business decisions I – Porter’s Five Forces & Generic Strategy 4 2.2 Making business decisions II – Customer Order Process 5 3 Customer Relationship Management 7 3.1 Making business decisions II - CRM 7 3.1.1 Extended Strategy 8 3.1.2 New Technologies 8 4 Business Intelligence 9 4.1 Making business decisions II 9 5 Systems Development 14 5.1 Making business decisions II – PYT Business Requirement 14 6 Bibliography 15 Appendix B – PYT Business Requirement for New Payroll System 16 Appendix C - Groupware Tools 20 Figures Figure 1: As-is Broadway Cafe Rich Picture 2 Figure 2: Broadway Cafe Alters Diagram 3 Figure 3: The Broadway Café Five Forces model 4 Figure 4: Customer Ordering Process 6 Figure 5. As-Is payroll system 14 Figure 6. Flow chart payroll system 17 Figure 7: Team ISO Groupware Home Page 20 Tables Table 1: YouTube Pros and Cons 7 Table 2. Comparison of Spreadsheet and Databases 11 Table 3. Wikispaces advantages & disadvantages 20 Introduction This case study addresses the following information systems (IS) concepts for the Broadway Café, as detailed at http://www.cohesioncase.com. • Competitive Advantage - Making business decisions I (Porter’s Five Forces & Generic Strategy • Competitive Advantage - Making business decisions II (Customer Order Process) • Customer Relationship Management (CRM) – Making business decisions II • Business...
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...This page intentionally left blank Te n t h E d i t i o n MODERN DATABASE MANAGEMENT Editorial Director: Sally Yagan Editor in Chief: Eric Svendsen Executive Editor: Bob Horan Editorial Project Manager: Kelly Loftus Editorial Assistant: Jason Calcano Director of Marketing: Patrice Lumumba Jones Marketing Manager: Anne Fahlgren Marketing Assistant: Melinda Jensen Senior Managing Editor: Judy Leale Project Manager: Becca Richter Senior Operations Supervisor: Arnold Vila Operations Specialist: Ilene Kahn Senior Art Director: Jayne Conte Cover Designer: Suzanne Behnke Cover Art: Fotolia © vuifah Manager, Visual Research: Karen Sanatar Permissions Project Manager: Shannon Barbe Media Project Manager, Editorial: Denise Vaughn Media Project Manager, Production: Lisa Rinaldi Supplements Editor: Kelly Loftus Full-Service Project Management: PreMediaGlobal Composition: PreMediaGlobal Printer/Binder: Edwards Brothers Cover Printer: Lehigh-Phoenix Color/Hagerstown Text Font: Palatino Credits and acknowledgments borrowed from other sources and reproduced, with permission, in this textbook appear on appropriate page within text. Microsoft® and Windows® are registered trademarks of the Microsoft Corporation in the U.S.A. and other countries. Screen shots and icons reprinted with permission from the Microsoft Corporation. This book is not sponsored or endorsed by or affiliated with the Microsoft Corporation. Copyright © 2011, 2009, 2007, 2005, 2002...
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...FLIX2YOU PROPOSAL Illuminated Communications IST210 SEC002 Table of Contents Executive Summary 3 Scope of Work 4 Project Management 5 Project Resources and Budget 8 User Analysis 10 Organization of Data 14 Database Administration 17 Database Backup and Recovery 19 Legal Issues 22 Works Cited 25 Appendix A – DDL Script 26 Appendix B – Sample Reporting 37 Executive Summary Illuminated Communications offers this solution to meet the growing demands of Flix2You. We understand the limitations of the existing database design and have proposed a new design that will provide Flix2You a more robust database environment intended to capture more customer data. This will address the primary concerns of Flix2You and allow for the understanding of its customer’s habits that it seeks to gain. Included in this document you will find our scope of work, as it has been determined based on the requirements that have been provided. With that we developed a project plan highlight the major milestones from project start to final sign off. Please note that Illuminated Communications will provide comprehensive testing, training, and support past go live to ensure our solution meet the demands of Flix2You. Understanding Flix2You users is important to our design process. We have included an in-depth user analysis to help us build our system to support the needs of all Flix2You user from upper management personnel to database administrators. Illuminated Communications...
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...Deletion anomaly is a removal of a row of data but it also removes every relationship with that row. Ex: a removal of a computer in an inventory with everything to do with that computer 4.10 Insertion anomaly is adding an entry in a database but can because it hast. Ex: adding a computer to a computer inventory but cant 4.11 4.12 second normal form is the second step in normalization in a database. 4.13 third normalization form is the 3rd step in normalizing a database 4.14 BCNF is a form of database normalization 4.15 multi-value dependency occurs when the presence of one or more rows in a table implies the presence of one or more other rows in the same tables. Ex: Car Company that manufacture many models of cars, but always make both red and blue colors of each models. 4.16 4.17 Forth-normal form is a level of database normalization where there is no non-trivial decency other than a candidate key 4.18 Domain/key normal form is a normal form used in a database normalization that requires that the database contains no constraints other domain constraints and key constraints 4.19 4.22...
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...DATABASE SYSTEMS To understand what drives database design, you must understand the difference between data and information. Data are raw numbers or other findings which, by themselves, are of limited value to decision makers. Information, on the other hand, is the result of organizing, processing, and interpreting data, thus transforming the findings into facts that are useful to decision makers. For example, the number of new users your clinic serves in a month means little until you compare it with the number of new users from previous months and years to see whether there has been an increase or decrease in the trend over time. Data are transformed into information by: Selection: Choosing the data that are useful and adequate for answering the questions that have been posed, and ignoring the data that are useless or inadequate for that purpose. Interpretation: Analyzing the data to put them into context, uncover patterns or problem areas, and reflect on the meaning of these patterns in relation to the questions being asked. The overall objective of converting data to information is to describe, explain, predict, and/or evaluate a program and its results. In this “information age” production of accurate, relevant and timely information is the key to good decision making. In turn, good decision making is the key to business survival in a global market. We are now said to be entering to “knowledge age”. Data are the foundation of information which is bedrock of knowledge...
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...19, 2012 Ross Sines Business Proposal Rock Bottom Records A Business Proposal to Add E-Commerce to the Company Prepared for Rock Bottom Records Prepared by Sheldon Hensley March 19, 2012 Table of Contents Executive Summary 4 Introduction 5 Background 5 Proposed Action 5 Cost Table 8 Executive Summary Doing business in today’s economic structure is not the same as it was 20 years ago. The induction of e-commerce and e-business to economic infrastructure, traditional brick and mortar businesses are finding it difficult to compete with more streamlined businesses that are outsourcing their products and services via the Internet. Streamlining Rock Bottom Records by adding a relational database management system (RDMS) and a website will increase productivity and cost savings by reducing the amount of time it takes for analyzing productivity, ordering and shipping, financial, and payroll. Adding a website with a RDMS and offering digital music downloads the company will be able to compete with other companies worldwide. The most popular affordable RDMS’s that are in use today are Microsoft Access that comes with Microsoft Office (Professional) is popular with most small businesses ("Microsoft Access Database: The Pros With Less Cons When Using Microsoft Access As Your Database", n.d.)., PostgreSQL which runs on multiple operating systems and is an open source database, meaning it is free (“PostgreSQL”, 1996-2012)...
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...Database Design Paper Joseph Schmosef University Of Phoenix (ecampus) DBM/380 Sunday, April 01, 2012 “A database is a structured collection of records or data that is stored in a computer system. In order for a database to be truly functional, it must not only store large amounts of records well, but be accessed easily. In addition, new information and changes should also be fairly easy to input.” (tech-faq.com) To ensure usefulness over the long-term, databases should be built with high data integrity and the ability to recover data if the hardware fails. Information that has been corrupted or destroyed serves no purpose within a business structure. Being the Armed Forces is like being a field value in one giant database. Everything from the gear we are issued to how we are identified as an “individual” (ssn#) is a scannable number to be coded, referenced, and utilized by anyone with proper clearance. “The database architecture is the set of specifications, rule, and processes that dictate how data is stored in a database and how data is accessed by components of the system.” (wingenious.com) Database architecture type s can be broken down into three broad categories, each of which can have several subcategories: One Tier, Two Tier- client/server, and “N” Tier- client/server. The One Tier architecture is best suited to the single user and relatively small amounts of data. It runs on the user’s local machine and references a file that is stored on that machine’s...
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...Functional Dependency is mainly known as Normalization. Professor Codd in 1970 was the first person to define it. There are three steps to this dependency. Normalization is used to eliminate the three types of anomalies which are insertion, deletion and update anomalies. The three normalization are what a database can suffer from. They also define what the database is about because of all the work that goes into it. The Insertion Anomaly is when some of the data cannot be added into the database. There are just certain areas of the database where information just cannot be added or else it would mess up the system or get you a big (OOOPS). Update an0omaly is when there is redundancy going on in the database which will cause changes to everything that is in the database. Instead of change one information and the database changing all of them, a person has to go and do it one step at a time. Deletion anomaly is deleting of some data that causes other information to be lost or deleted. Example -1. Assume the following relation Student-courses (Sid:pk, Sname, Phone, Courses-taken) Where attribute Sid is the primary key, Sname is student name, Phone is student's phone number and Courses-taken is a table contains course-id, course-description, credit hours and grade for each course taken by the student. More precise definition of table Course-taken is : Course-taken (Course-id:pk, Course-description, Credit-hours, Grade) According to the definition of first normal form relation...
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...Unit 2 Assignment 1: Homework Learning Objectives and Outcomes Review documents to discover relevant entities and attributes for database. Prepare interview questions and follow up. Prepare questionnaires. Observe work flow for process and exceptions. Identify the issues with the current database. Define and list requirements of a database. Define business rules of a database. Define entities and attributes of a database. Identify candidate keys for entities of a database. Assignment Requirements Answer the following True or False questions on the student answer sheet. Required Resources Textbook Submission Requirements Submit your written answers to your instructor at the beginning of Unit 3. Unit 2 True/False Questions Indicate whether the following statements are true or false on the student answer sheet. 1) A requirement is something a database needs to do in order to fulfill its purpose.t 2) You only need to include the most important stakeholders in the database discussions.f 3) Forms are used for gathering input.t 4) A transaction database is optimized to track transactions in real time.t 5) Data mining uses business intelligence tools and techniques on a variety of data sources brought together in a data warehouses.t 6) The domain is the focus or knowledge area of a database.t 7) Interviews are good for asking open ended questions.t 8) Open ended question are questions that don't have fixed...
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...The Advantages of a relational Model According to ACME Global’s website the mission of ACME Global is to “Help clients achieve profitable growth by aligning and improving customer facing processes and by continually seeking ways to improve operational performance"(“ACME Global,”2014) Because of your consultants over 100 clients maintain successful business with financially and operationally sound strategies. To continue this success and expand on that success a relational model would be easy to use. The revision of any information as tables consisting of rows and columns is much easier to understand. This would play a vital role in organization of not just your consultants but when you stop and look at your clients and the data you are responsible to managing along with the common data and information you want to know. An E-R Model provides Flexibility: Different tables from which information has to be linked and extracted can be easily manipulated by operators such as project and join to give information in the form in which it is desired. This would be most beneficial to you when you look at your areas of Strategic Development and Business planning, marketing & Sales Strategy and your Operations and Organization Management. In all of these are areas are key data and resources of ACME Global that would be enhanced by using a relational model. Purpose of an E-R Model Specific to ACME Global Consulting ACME Global along with your partner Deegit, Inc. deliver innovative...
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...Database Design DBM 380 | | Databases Databases are electronic filing systems that consist of objects (Microsoft, para 2.) providing a quicker means to data retrieval than traditional paper and pen models. They have more flexibility than standard spreadsheets and offer the ability to run query searches. A properly designed database can retrieve items in complex searches; a task that might take hours or days manually, in a matter of minutes. Databases are designed to store large amounts of information without redundancy or inconsistencies (Microsoft, para 1.) Database information can be used to generate reports for specific topics, create mailing lists, manage data, share data with other programs, and perform calculations of data. Databases also can provide an area of storage for document retrieval, such as a school digital library. At work we use a complex data system known as an AS/400 system that can store and retrieve data. Database Architecture According to Georgetown University (n.d.,) database architecture is “the collective application and database instances that comprise the complete system.” This means that defined rules and specifications determine how data is stored and accessed. Web-based database architecture can use two-tier architecture or three-tier architecture depending on if the DBMS and Web server are both on the same computer (Kroenke, p. 452.) As a three-tier database architecture system the AS/400 is used to keep track of inventory...
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...CISN 351: Review Questions Chapter 2 2.1 What is a business intelligence (BI) system? 2.2 What is an ad-hoc query? 2.3 What does SQL stand for, and what is SQL? 2.4 What does SKU stand for? What is an SKU? 2.5 Summarize how data were altered and filtered in creating the Cape Codd data extraction. 2.6 Explain, in general terms, the relationships among the RETAIL_ORDER, ORDER_ITEM, and SKU_DATA tables. 2.7 Summarize the background of SQL. 2.8 What is SQL-92? How does it relate to SQL statements in this chapter? 2.9 What features have been added to SQL in versions subsequent to the SQL-92? 2.10 Why is SQL described as a data sublanguage? 2.11 What does DML stand for? What are DML statements? 2.12 What does DDL stand for? What are DDL statements? 2.13 What is the SQL SELECT /FROM/WHERE framework? 2.14 Explain how Access uses SQL. 2.15 Explain how enterprise-class DBMS products use SQL. 2.16 There is an intentional flaw in the design of the INVENTORY table used in these exercises. This flaw was purposely included in the INVENTORY tables so that you can answer some of the following questions using only that table. Compare the SKU and INVENTORY tables, and determine what design flaw is included in INVENTORY. Specifically, why did we include it? 2.17 Write an SQL statement to display SKU and SKU_Description. 2.18 Write an SQL statement to display SKU_Description...
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...made of inevitability. As data grows larger and larger, the weaknesses in the relational data model are exacerbated. NoSQL technologies grew out of the need for fast query speed and real-time analytics from data sources too large for traditional SQL. Introduction A web site running with a large number of users/members will experience the dreaded Big Data Performance Inconsistency. When you need the web site to respond more quickly to a successful, it slackens. Sites like Facebook, Twitter, and others have struggled with this problem for years as they’ve grown from thousands to millions and now hundreds of millions of users. Inundated by huge amounts of user data, they took advantage of data store technologies like Memcached and Redis to make their sites run fast. But for sites without the engineering resources of companies like Facebook, adopting these technologies has been challenging. Big data and NoSQL Big Data company for example Garantia Data addresses above issue. Garantia Data’s cloud-based, in-memory NoSQL solutions make web site run faster. That’s why a number of companies are beta testing Garantia Data’s offering. NoSQL is often used for storing Big Data. This is a new type of database which is becoming more and more popular among web companies today. Proponents of NoSQL solutions state that they provide simpler scalability and improved performance relative to traditional relational databases. These products excel at storing “unstructured data,” and the category...
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