Normalization Normalization is a method for organizing data elements in a database into tables. Normalization Avoids • Duplication of Data – The same data is listed in multiple lines of the database • Insert Anomaly – A record about an entity cannot be inserted into the table without first inserting information about another entity – Cannot enter a customer without a sales order • Delete Anomaly – A record cannot be deleted without deleting a record about a related entity.
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Although‚ data is separated into different and more complex tables during normalization‚ the process of normalizing a database can help to organize data more efficiently by minimizing redundancy and providing more accurate records. During the process‚ column and field names are consolidated into more specific ones to avoid repetition of data. In many cases‚ tables are divided into two or more tables and linked via a relationship using their Primary Keys and/or Foreign Keys. The main goal is to
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Relaional Database Management Questions Planning for backup and recovery of database information is done by _________________ A.Data Assurance team B.Data management C.DBA D.Data-Query Reset Selection Question 2 of 10 10.0 Points Please choose the functions of a Database? A. Data Definition and Manipulation B. Data Recovery and consistency C. Performance of Queries D. Data Dictionary Maintenance A.A‚ B‚ C and D B.A‚ C and D C.B‚ C and D D.A‚ B and C
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Uses of Computers in different Fields Our daily encounters with and dependence upon technology is almost invisible as it takes the shape of electronic climate control system‚ wireless communication systems such as phones and pagers‚ automatic tellers to dispense money. Magnetically striped cards to facilitate consumer transactions‚ cable and satellite television‚ auto mobiles and mass transit. Free trade agreements have led to globalization of commerce and scientific debate about global
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ACCESS COMPUTER COLLEGE Basic knowledge on Computer System and Digital Electronics (Research Paper for Digital Electronics/Computer System & Org) Jannelle Stephanie S. Chua CSCA22 Engr. Christopher Jay Apalin Computer Science Table of Contents TITLE PAGE I. Title page _________________________________________ 1 II. Table of Content ___________________________________ 2 III. Abstract __________________________________________ 3 – 4 IV. Introduction
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Background Background of the Study In today’s technology‚ computer plays a major role especially when it comes to complex systems. Almost every company and institution here in our country uses a computer based system. This type of system makes their work fast‚ accurate and reliable. This is the best way of storing and retrieving data on a server or a hard disk rather than using papers and file cabinets. A quick and reliable computer based system is a process wherein an institution can find an
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trying to find improvement to the existing methods. The most recent method to be devised is electronic voting (e-voting). It is meant to phase out outdated paper ballot‚ punched cards and other mechanical voting systems with paperless electronic or online voting systems. E-voting systems endeavour to make elections simple while reducing the total cost of the election. Designing an air-tight and reliable e-voting system is therefore a great task‚ in that‚ the system that must be developed must protect
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THESIS PROJECT PROPOSAL Name of Proponents: Jonn Wilfred Pablo Jeffrey M. Quinquileria School Year/Trimester: 2010-2011/2nd Tri Proposed Title: “Imatech’s Employment Resource Database” Area of Investigation Imatech is comprised of the best in the industry‚ with experienced sales staff and continuously trained engineers and technical staff. The company designs‚ supplies and integrates Audio Visual Systems that are technologically advanced and adheres to international
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What are your major terminal and instrumental values? Which values‚ terminal or instrumental‚ are valid predictors of career success in the workplace? To what extent do you believe your personal values are aligned with the values of your organization?? What impact does this have on your sense of belongingness/fit with your organization? My major terminal values are freedom‚ self respect‚ a sense of accomplishment and inner Harmony. Of course after I thought about the other words listed I wanted
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Manual versus Computerized Accounting Ever since Lucas Pacioli wrote about and spread the knowledge of double entry accounting in his “Summa di Arithemetica” in 1494‚ modern manual accounting was born (Hendrickson‚ 2007)‚ though manual accounting has existed in many forms since ancient times. In contrast‚ computerized accounting systems are a more modern invention‚ as the first computer was invented between 1943 and 1946 (“Great Events in Accounting & Business History”‚ (n.d.)) and Arthur
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