Logical Design Domonic Lastoria Professor Irene Hoskins Strayer University CIS 111 1/19/2013 1. List the advantages of a relational model specific to ACME Global Consulting. The relational database model specified for the ACME Global Consulting organizes given data in table series. Each of the table has fields specified with specifications regarding the data type stored (Easytoteach‚ 2011). The advantages of the relational model includes
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A definition of a Network database model Network database model is a hierarchical structure created to represent complex relation-ships more effectively than the hierarchical model‚ to improve database performance standard. Network database generally implement the set relationships by means of pointers that directly address the location of a record on the disk. This gives excellent retrieval performance Advantages of the network database model * Capability to handle more relationship types:
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Introduction to Data Mining Assignment 1 Ex1.1 what is data mining? (a) Is it another hype? Data mining is Knowledge extraction from data this need for data mining has arisen due to the wide availability of huge amounts of data and the imminent need for turning such data into useful information and knowledge. So‚ data mining definitely is not another hype it can be viewed as the result of the natural evolution of information technology. (b) Is it a simple transformation of technology developed
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SIMPLE SALES AND INVENTORY DATABASE SYSTEM FOR SMALL AND MEDIUM ENTERPRISE S.Y.2013-2013 A Thesis Presented to The Faculty of the College of Industrial Technology and Engineering Cebu Technological University Barili Campus-Cagay‚Barili‚Cebu In Partial Fulfillment of the Requirements for the Degree Bachelor of Science in Industrial Technology Aliño‚Clyde Montemayor ‚Analyn Trasmonte‚ Vicente Hermosa‚Airev Carreon‚Juan Encabo‚Christopher Alquizalas‚Jhon Renan Alcaya
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Data Anomalies Normalization is the process of splitting relations into well-structured relations that allow users to inset‚ delete‚ and update tuples without introducing database inconsistencies. Without normalization many problems can occur when trying to load an integrated conceptual model into the DBMS. These problems arise from relations that are generated directly from user views are called anomalies. There are three types of anomalies: update‚ deletion and insertion anomalies. An update anomaly
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Normalization of Database Tables Database Tables and Normalization * Normalization is a process for assigning attributes to entities. It reduces data redundancies and helps eliminate the data anomalies. * Normalization works through a series of stages called normal forms: * First normal form (1NF) * Second normal form (2NF) * Third normal form (3NF) * Fourth normal form (4NF) * The highest level of normalization is not always desirable. * The Need
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Abstract Oracle Database 11 g is a comprehensive platform database‚ there are many features of the Oracle product that support different kinds of companies worldwide. This writing assignment will present an overview of some Oracle features. More specifically this paper will focus on the main features of oracle database administration‚ like security‚ indexing constraints and views. Basic user security Security refers to activities and measures to ensure the confidentiality‚ integrity
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You Can Do With Data/The Information Architecture of an Organization What is the difference between data and information? Give examples. Data = discrete‚ unorganized‚ raw facts Quantity Sold‚ Course Enrollment‚ Customer Name‚ Discount‚ Star Rating. Information = transformation of those facts into meaning. Financial data (deposits)‚ daily loans. What is a transaction? Action performed in a database management system What are the characteristics of an operational data store? Stores
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delivery 2) 4 Difficulties d) Data type e) Data manipulation f) Data storage g) Data delivery 3) Importance h) Store Image (eg:museum) i) Search and manipulate content 4) Types j) Images k) Audio l) Video m) Document n) Handwritten 5) Application o) GIS‚CAD‚Face-retrieval‚doc imaging‚ medical db‚ web 6) Characteristic p) Treat mdb same way as data based 7) 4 Challenges q)
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MIS 6326 (Database Management) ( AIM 6337 (Data Strategy & Management) Assignment 2: Chapters 4 & 9 Due date: August 2‚ 2012 Using the Chapters 4 & 9 University Database create one “SELECT” SQL statement for each of the following question.[1] [Note‚ the SQL statement may include nested queries.] Turn in SQL statements only. (You do not have to turn in the results of SQL statements.) 1. Get the faculty numbers and names of MS department professors whose salary is greater than 68000
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