... Poor performance GENERAL REVENUE CYCLE CONTROLS 1. Data processing integrity controls 2. Restriction of access to master data 3. Review of all changes to master data 4. Access controls 5. Encryption 6. Backup and disaster recovery procedures 7. Managerial reports 1. ------------------------------------------------- SALES ORDER ENTRY ACTIVITIES AND THREATS | CONTROL | 1. Take order 1. Incomplete/inaccurate orders 2. Invalid orders | 3. Data entry edit controls 4. Restriction of access to master data 5. Digital signatures or written signatures | 2. Check and approve credit * Uncollectible accounts | * Credit limits * Specific authorization to approve sales to new customers or sales that exceed a customer’s credit limit * Aging of accounts receivable | 3. Check inventory availability * Stock outs or excess inventory * Loss of customers | * Perpetual inventory control system * Use of bar-codes or RFID * Training * Periodic...
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...What is XBRL? What is XBRL? May 2008 Charles Hoffman, CPA (Charles.Hoffman@UBmatrix.com) 1 What is XBRL, the 50,000 foot Perspective Let's first take a look at XBRL from altitude, from the 50,000 foot "big picture" perspective. 1.1 Definition definition of XBRL (from Wikipedia, see XBRL (Extensible Business Reporting Language) is an open standard which supports information modeling and the expression of semantic meaning commonly required in business reporting. XBRL is XML-based. It uses the XML syntax and related XML technologies such as XML Schema, XLink, XPath, Namespaces, etc. to articulate this semantic meaning. One use of XBRL is to define and exchange financial information, such as a financial statement. The XBRL Specification is developed and published by XBRL International, Inc. (XII). XBRL is a standards-based way to communicate business and financial information. These communications are defined by metadata set out in taxonomies. Taxonomies capture the definition of individual reporting concepts as well as the relationships between concepts and other semantic meaning. The following is a very good http://en.wikipedia.org/wiki/XBRL): 1.2 The Fundamentals: Better, Faster, Cheaper Fundamentally, this is what XBRL is about: SOURCE: XBRL Essentials, published by the AICPA The components of financial reporting from both a creation and analysis perspective involve: data discovery, re-keying of data, validation of data, reporting, analysis...
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...SQL Server 2012 Security Best Practices - Operational and Administrative Tasks SQL Server White Paper Author: Bob Beauchemin, SQLskills Technical Reviewers: Darmadi Komo, Jack Richins, Devendra Tiwari Published: January 2012 Applies to: SQL Server 2012 and SQL Server 2014 Summary: Security is a crucial part of any mission-critical application. This paper describes best practices for setting up and maintaining security in SQL Server 2012. Copyright The information contained in this document represents the current view of Microsoft Corporation on the issues discussed as of the date of publication. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information presented after the date of publication. This white paper is for informational purposes only. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED, OR STATUTORY, AS TO THE INFORMATION IN THIS DOCUMENT. Complying with all applicable copyright laws is the responsibility of the user. Without limiting the rights under copyright, no part of this document may be reproduced, stored in, or introduced into a retrieval system, or transmitted in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise), or for any purpose, without the express written permission of Microsoft Corporation. Microsoft may have patents, patent applications, trademarks, copyrights, or other intellectual...
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...Contents Preface 1 Chapter 1 Introduction Exercises 4 Chapter 2 Entity Relationship Model Exercises 9 Chapter 3 Relational Model Exercises 30 Chapter 4 SQL Exercises 42 Chapter 5 Other Relational Languages Exercises 58 Chapter 6 Integrity and Security Exercises 74 iii iv Contents Chapter 7 Relational-Database Design Exercises 84 Chapter 8 Object-Oriented Databases Exercises 98 Chapter 9 Object-Relational Databases Exercises 109 Chapter 10 XML Exercises 119 Chapter 11 Storage and File Structure Exercises 129 Chapter 12 Indexing and Hashing Exercises 141 Chapter 13 Query Processing Exercises 155 Chapter 14 Query Optimization Exercises 166 Chapter 15 Transactions Exercises 175 Chapter 16 Concurrency Control Exercises 182 Chapter 17 Recovery System Exercises 194 Contents v Chapter 18 Database System Architectures Exercises 201 Chapter 19 Distributed Databases Exercises 208 Chapter 20 Parallel Databases Exercises 217 Chapter 21 Application Development and Administration Exercises 225 Chapter 22 Advanced Querying and Information Retrieval Exercises 232 Chapter 23 Advanced Data Types and New Applications Exercises 241 Chapter 24 Advanced Transaction Processing Exercises 249 C H A P T E R 1 Introduction Chapter 1 provides a general overview of the nature and purpose of database systems. The most important concept in...
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...Week 6 Lecture 1: Decision Making Individuals Definition of decision making: it is a process of making a choice among several action alternatives. It involves a commitment of resources to some course of action. Assumptions of rational decision making model: Problem clarity: clearly defined and unambiguous Know options: identify all relevant criteria and viable alternatives in an unbiased manner Clear preferences: the criteria and alternatives can be ranked and weighted. Constant preferences: constant decision criteria and weights assigned to them are stable over time No time/cost constraints: full information is available Maximum payoff: the choice alternative will yield the highest economic value (a rational decision making process: define the problem—identify the criteria—allocate weights to the criteria—develop alternatives—evaluate the alternatives—select the best alternative Types of judgments and decisions: Normative: how X should be chosen/ judged in optimal/ rational conditions Descriptive: how X actually gets chosen/ judged The reasons why descriptive decisions are different from normative decisions: Bounded rationality: time cost constraints; incomplete information; perceptiual errors in obtaining information; cognitive load in information retention and performing caluculations Bounded decision making: We seek solutions that are the best given the information that is available; that are satisfactory (good enough) We satisfice rather than...
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...Oracle® Database Concepts 10g Release 2 (10.2) B14220-02 October 2005 Oracle Database Concepts, 10g Release 2 (10.2) B14220-02 Copyright © 1993, 2005, Oracle. All rights reserved. Primary Author: Michele Cyran Contributing Author: Paul Lane, JP Polk Contributor: Omar Alonso, Penny Avril, Hermann Baer, Sandeepan Banerjee, Mark Bauer, Bill Bridge, Sandra Cheevers, Carol Colrain, Vira Goorah, Mike Hartstein, John Haydu, Wei Hu, Ramkumar Krishnan, Vasudha Krishnaswamy, Bill Lee, Bryn Llewellyn, Rich Long, Diana Lorentz, Paul Manning, Valarie Moore, Mughees Minhas, Gopal Mulagund, Muthu Olagappan, Jennifer Polk, Kathy Rich, John Russell, Viv Schupmann, Bob Thome, Randy Urbano, Michael Verheij, Ron Weiss, Steve Wertheimer The Programs (which include both the software and documentation) contain proprietary information; they are provided under a license agreement containing restrictions on use and disclosure and are also protected by copyright, patent, and other intellectual and industrial property laws. Reverse engineering, disassembly, or decompilation of the Programs, except to the extent required to obtain interoperability with other independently created software or as specified by law, is prohibited. The information contained in this document is subject to change without notice. If you find any problems in the documentation, please report them to us in writing. This document is not warranted to be error-free. Except as may be expressly permitted in your license agreement...
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...DEVELOPING AND MANAGING VOTERS REGISTRATION SYSTEM Introduction Voters’ registration is a process in which qualifying citizens are registered in order for them to be eligible to vote in an election. Voters registration is a process whose output is the voters’ roll which is basically a list containing the necessary details of all individuals who are eligible to cast their votes in an election. Governments operating under democratic principles around the world have to invest in this process in order to ensure smooth transition of power when time comes. Elections have been a major source of violence and consequently wars when one side feels that it wasn’t given a fair chance in the process. With this in mind, it is important for states to have proper voters roll in order to carry out elections in a credible and peaceful manner. If this process is not conducted in a transparent and collaborative manner, the credibility of the election process will as well be put into jeopardy at the end of the day. It this process which sets the stage of an election to be acceptable or add more credible reasons to rendered the election as not free and fair. In Tanzania, early voters’ registrations involved writing details of voters in a ‘counter’ book and have that book retrieved for verification on the Election Day. Voters were not given any sort of identification for them to keep as a form of authentication; no photographs of the ‘would be’ voters were being taken or kept by the registration...
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...Teach Yourself SQL in 21 Days, Second Edition Table of Contents: Introduction Week 1 at a Glance Day 1 Introduction to SQL Day 2 Introduction to the Query: The SELECT Statement Day 3 Expressions, Conditions, and Operators Day 4 Functions: Molding the Data You Retrieve Day 5 Clauses in SQL Day 6 Joining Tables Day 7 Subqueries: The Embedded SELECT Statement Week 1 in Review Week 2 at a Glance Day 8 Manipulating Data Day 9 Creating and Maintaining Tables Day 10 Creating Views and Indexes Day 11 Controlling Transactions Day 12 Database Security Day 13 Advanced SQL Topics Day 14 Dynamic Uses of SQL Week 2 in Review Week 3 at a Glance Day 15 Streamlining SQL Statements for Improved Performance Day 16 Using Views to Retrieve Useful Information from the Data Dictionary Day 17 Using SQL to Generate SQL Statements Day 18 PL/SQL: An Introduction Day 19 Transact-SQL: An Introduction Day 20 SQL*Plus Day 21 Common SQL Mistakes/Errors and Resolutions Week 3 in Review Appendixes A Glossary of Common SQL Statements B Source Code Listings for the C++ Program Used on Day 14 C Source Code Listings for the Delphi Program Used on Day 14 D Resources E ASCII Table F Answers to Quizzes and Excercises © Copyright, Macmillan Computer Publishing. All rights reserved. Teach Yourself SQL in 21 Days, Second Edition Acknowledgments A special thanks to the following individuals: foremost to my loving wife, Tina, for her tolerance and endless support, to Dan Wilson for his...
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...The Role of Analysts and Designers The primary role of systems analysts and designers is, of course, to produce a computer system solution to a problem that meets the customer’s requirements. This task can easily be so absorbing in itself that there is seemingly no time left over for thinking about the non-technical issues surrounding the introduction of a new IT system, much less for setting up a people project to address them. So even if the people project is not driven by analysts, designers, or even IT managers, it needs their active support. Many of the tasks carried out by analysts in the early stages of an IT development project have outputs that the people project will need to draw on. For example, the process of creating data models and data flow diagrams may raise questions of data ownership, which need to be fed to the people project to resolve, perhaps through a redefinition of rolesand responsibilities or the introduction of a new procedure. Likewise, if systems analysts have done a detailed assessment of costs and benefits, this will give the people project some idea of the messages they can use to sell the new IT system to users and managers. Analysts can also draw on the people project for valuable help in areas such as human–computer interface design, discussed in Chapter 15. The look and feel of the HCI can be one of the most significant factors in determining a user’s response to a system. The people project can help create the conditions in which ...
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...Teach Yourself SQL in 21 Days, Second Edition Table of Contents: Introduction Week 1 at a Glance Day 1 Introduction to SQL Day 2 Introduction to the Query: The SELECT Statement Day 3 Expressions, Conditions, and Operators Day 4 Functions: Molding the Data You Retrieve Day 5 Clauses in SQL Day 6 Joining Tables Day 7 Subqueries: The Embedded SELECT Statement Week 1 in Review Week 2 at a Glance Day 8 Manipulating Data Day 9 Creating and Maintaining Tables Day 10 Creating Views and Indexes Day 11 Controlling Transactions Day 12 Database Security Day 13 Advanced SQL Topics Day 14 Dynamic Uses of SQL Week 2 in Review Week 3 at a Glance Day 15 Streamlining SQL Statements for Improved Performance Day 16 Using Views to Retrieve Useful Information from the Data Dictionary Day 17 Using SQL to Generate SQL Statements Day 18 PL/SQL: An Introduction Day 19 Transact-SQL: An Introduction Day 20 SQL*Plus Day 21 Common SQL Mistakes/Errors and Resolutions Week 3 in Review Appendixes A Glossary of Common SQL Statements B Source Code Listings for the C++ Program Used on Day 14 C Source Code Listings for the Delphi Program Used on Day 14 D Resources E ASCII Table F Answers to Quizzes and Excercises / Copyright, Macmillan Computer Publishing. All rights reserved. Join the National Guard Car Computer Serve in your own backyard Get Free Info Here. No Obligation www.military.com Complete Diagnostic Software Tool DTC Codes, Sensor Readings...
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...Steering Behaviors For Autonomous Characters Craig W. Reynolds Sony Computer Entertainment America 919 East Hillsdale Boulevard Foster City, California 94404 craig_reynolds@playstation.sony.com http://www.red.com/cwr/ cwr@red.com Keywords: Animation Techniques, Virtual/Interactive Environments, Games, Simulation, behavioral animation, autonomous agent, situated, embodied, reactive, vehicle, steering, path planning, path following, pursuit, evasion, obstacle avoidance, collision avoidance, flocking, group behavior, navigation, artificial life, improvisation. Abstract This paper presents solutions for one requirement of autonomous characters in animation and games: the ability to navigate around their world in a life-like and improvisational manner. These “steering behaviors” are largely independent of the particulars of the character’s means of locomotion. Combinations of steering behaviors can be used to achieve higher level goals This paper divides motion behavior into three levels. It will focus on the (For example: get from here to there while avoiding obstacles, follow this corridor, join that group of characters...) middle level of steering behaviors, briefly describe the lower level of locomotion, and touch lightly on the higher level of goal setting and strategy. Introduction Autonomous characters are a type of autonomous agent intended for use in computer animation and interactive media such as games and virtual reality. These agents represent a This stands...
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...Copyright © 1975 by the American Psychological Association, Inc. PSYCHOLOGICAL REVIEW JULY 1975 VOL. 82, No. 4 A Schema Theory of Discrete Motor Skill Learning Richard A. Schmidt Department of Physical Education, University of Southern California A number of closed-loop postulations to explain motor skills learning and performance phenomena have appeared recently, but each of these views suffers from either (a) logical problems in explaining the phenomena or (b) predictions that are not supported by the empirical evidence. After these difficulties are discussed, a new theory for discrete motor learning is proposed that seems capable of explaining the existing findings. The theory is based on the notion of the schema and uses a recall memory to produce movement and a recognition memory to evaluate response correctness. Some of the predictions are mentioned, research techniques and paradigms that can be used to test the predictions are listed, and data in support of the theory are presented. the individual that enabled him to perform or to learn the motor task. Since 1960, however, there has been a considerable shift in emphasis in motor skills research. Motor behaviorists have begun to ask questions about the kinds of processes occurring as the individual performs and learns the motor response. The tasks used have tended to shift from those that could only be scored with global measures to those that enabled the isolation of various processes and strategies and provided...
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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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...Applied SOA Service-Oriented Architecture and Design Strategies Mike Rosen Boris Lublinsky Kevin T. Smith Marc J. Balcer Wiley Publishing, Inc. Applied SOA Applied SOA Service-Oriented Architecture and Design Strategies Mike Rosen Boris Lublinsky Kevin T. Smith Marc J. Balcer Wiley Publishing, Inc. Applied SOA: Service-Oriented Architecture and Design Strategies Published by Wiley Publishing, Inc. 10475 Crosspoint Boulevard Indianapolis, IN 46256 www.wiley.com Copyright 2008 by Wiley Publishing, Inc., Indianapolis, Indiana Published simultaneously in Canada ISBN: 978-0-470-22365-9 Manufactured in the United States of America 10 9 8 7 6 5 4 3 2 1 No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 646-8600. Requests to the Publisher for permission should be addressed to the Legal Department, Wiley Publishing, Inc., 10475 Crosspoint Blvd., Indianapolis, IN 46256, (317) 572-3447, fax (317) 572-4355, or online at http://www.wiley.com/go/permissions. Limit of Liability/Disclaimer of Warranty: The publisher and...
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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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