Accounting information systems 12th SIMKIN and norman chapter 04

Chapter 4: Organizing and Manipulating the Data in Databases Introduction Creating Database Tables in Microsoft Access Entering Data In Database Tables Extracting Data From Databases: Data Manipulation Languages Recent Database Advances and Data Warehouses Chapter 4-1 Creating Database Tables in Microsoft Access Database Management Systems An Introduction to Microsoft Access Creating Database Tables Creating Relationships Chapter 4-2 Database Management Systems Overview  Not a database  Separate software system Functions  Enables users to utilize database information more efficiently Examples  Access, Alpha 5, dQuery, Lotus Approach Chapter 4-3 Introduction to Microsoft Access A popular relational database Used by many businesses and individuals Used for small database applications Chapter 4-4 Microsoft Access – Opening Screen Chapter 4-5 Creating Database Tables – Defining Record Format Field Name  Names assigned to the data fields Data Type  Specified for each data field  Identifies how to store the data – field properties Description  Optional field  Defines record structures Chapter 4-6 Creating Database Tables – Opening Screen Chapter 4-7 Creating Database Tables – Record Format Chapter 4-8 Creating Relationships Purpose  Link tables together  Enable users to create multi-table reports Steps in Creating Relationships  Select tables  Link the tables Chapter 4-9 Creating Database Relationships – Linking Tables Chapter 4-10 Multi-Table Select Query Example Chapter 4-31 Creating Action Queries Delete queries Append queries Sum a column Update queries Make-table queries Chapter 4-32 Query Wizard Queries Simple query Wizard Crosstab queries Find-Duplicates queries Find-unmatched queries Chapter 4-33 Query Wizard Screen Chapter 4-34 Guidelines for Creating Queries Spell accurately and be case sensitive Specify AND and OR operations correctly Tables must be joined properly Name queries systematically Choose data fields selectively Chapter 4-35 Extracting Data From Databases Structured Query Language (SQL) Example of SQL Instructions Chapter 4-36 Extracting Data From Databases Online Analytical Processing (OLAP)  Complex, multidimensional data analysis  Pivot tables Data Mining  Utilize a set of data analysis and statistical tools  Identify relationships, patterns, or trends Chapter 4-37 Cloud Computing Form of Internet-based Computing  Software provided through the Internet  Processing occurs on a Web of computers  Expands IT capabilities Database-As-A-Service (DAAS)  Outsourcing of databases Backup Services Chapter 4-38 Data Warehouses Pools of data from separate applications Characteristics  Free of errors  Defined uniformly  Span longer timeframe than transaction systems  Optimized data relationships Chapter 4-39 Study Break #3 All of the following are examples of action queries except: A Update query B Append query C Delete query D Find missing data query Chapter 4-40 Study Break #3 - Answer All of the following are examples of action queries except: A Update query B Append query C Delete query D Find missing data query Chapter 4-41 Study Break #4 SQL is an example of: A A tool to perform online analytical processing B A database management system C A query language D A multimedia database Chapter 4-42 Study Break #4 - Answer SQL is an example of: A A tool to perform online analytical processing B A database management system C A query language D A multimedia database Chapter 4-43 Copyright Copyright 2012 John Wiley & Sons, Inc All rights reserved Reproduction or translation of this work beyond that permitted in Section 117 of the 1976 United States Copyright Act without the express written permission of the copyright owner is unlawful Request for further information should be addressed to the Permissions Department, John Wiley & Sons, Inc The purchaser may make backup copies for his/her own use only and not for distribution or resale The Publisher assumes no responsibility for errors, omissions, or damages, caused by the use of these programs or from the use of the information contained herein Chapter 4-44 Chapter Chapter 4-45 ... disallowed when it would disrupt references Chapter 4-15 Drop-Down List Example Chapter 4-16 Validation Rule Example Chapter 4-17 Creating Referential Integrity Chapter 4-18 Study Break #1 All of the... between and 40 D You cannot delete parent records that have child records associated with them Chapter 4-22 Tips for Creating Database Tables and Records Design first Create tables and records... records Single or Multiple Criteria Chapter 4-28 Select Query Example Chapter 4-29 Multi-Table Select Query Example Chapter 4-30 Multi-Table Select Query Example Chapter 4-31