CHAPTER 3 DATABASES AND DATA WAREHOUSES Building Business Intelligence CONTACT INFORMATION: Stephen Haag is the primary author of this chapter. If you have any questions or comments‚ please direct them to him at shaag@du.edu. THIS CHAPTER/MODULE IN SHORT FORM… This chapter introduces your students to the vitally important role of information in an organization and the various technology tools (databases‚ DBMSs‚ data warehouses‚ and data-mining tools) that facilitate the management
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Database management systems A database management system (DBMS) consists of software that operates databases‚ providing storage‚ access‚ security‚ backup and other facilities. Database management systems can be categorized according to the database model that they support‚ such as relational or XML‚ the type(s) of computer they support‚ such as a server cluster or a mobile phone‚ the query language(s) that access the database‚ such as SQL or XQuery‚ performance trade-offs‚ such as maximum scale
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of both in larger environments. Table 2-1 lists the processor and memory requirements recommended by Microsoft. Backup of Exchange Server Exchange 2007 server‚ there are always two copies of each change to the database: the change written to the page (or series of pages) in RAM‚ and the log record of those changes in the transaction logs. If the information is lost in RAM‚ if it has been written to a transaction log‚ it can be recovered and written to the database. This graph shows the types of
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The entity-relationship model (or ER model) is a way of graphically representing the logical relationships of entities (or objects) in order to create a database. entity type is a collection of entity instances sharing similar properties Strong Entity Vs Weak Entity An entity set that does not have sufficient attributes to form a primary key is termed as a weak entity set. An entity set that has a primary key is termed as strong entity set. A weak entity is existence dependent. That is the
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There are 5 filds‚ each with 7 records 2. What problem would you encounter if you wanted to produce a listing by city? How would you solve this problem by altering the file structure? Some of the project managers are mentioned several times‚ that would cause duplication in the city database. 3. If you wanted to produce a listing of the file contents by last name‚ area code‚ city‚ state‚ or zip code‚ how would you alter the file structure? Divide address capabilities‚ by dividing MANAGER_ADDRESS
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Whatis.com (2004) defines a database as "a collection of information that is organized so that it can easily be accessed‚ managed‚ and updated." In my current job at Wellco Tank Trucks‚ Inc.‚ we do not use any type of databases in the daily operations of our business. My only job that involved regular use of a database was at Chilcutt Direct Marketing (CDM) in Oklahoma City‚ Oklahoma. From February 2003 to June 2004‚ I was an Account Executive of Brokerage at CDM. CDM is a direct marketing company
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Description | example uses | Database could be when people in the the Leisure centre inputs the data or make different query’s like how much money they’ve made. This will speed up the process when working. It can store all the information for the activities and how many people attending specific classes. | advantages | A database can be really helpful for this business to grow in terms of: Customer & Service Analysis‚ Data Management‚ Reduce Costs & Time. Databases can also help businesses
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PhyloInformatics 7: 1-66 - 2005 Relational Database Design and Implementation for Biodiversity Informatics Paul J. Morris The Academy of Natural Sciences 1900 Ben Franklin Parkway‚ Philadelphia‚ PA 19103 USA Received: 28 October 2004 - Accepted: 19 January 2005 Abstract The complexity of natural history collection information and similar information within the scope of biodiversity informatics poses significant challenges for effective long term stewardship of that information in electronic
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com is developing a system to gather and keep massive amounts of intimate information about its millions of shoppers‚ including their religion‚ sexual orientation‚ ethnicity and income. The database‚ which would combine information disclosed voluntarily by customers with facts gleaned from public databases‚ conceivably would give Amazon a larger or more detailed profile of its customers than any other retailer. The Seattle-based company‚ with 59 million active customers‚ said it has no immediate
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Volunteers Project Description: In this project‚ you will create a new table and share data with Excel in a database for the Burchard Museum of Science and Discovery. Additionally‚ you will establish relationships between tables‚ and then create queries within the database. Instructions: For the purpose of grading of the project you are required to perform the following tasks: Step Instructions Points Possible 1 Start Access. Open the downloaded Access database named Exploring_a02_Grader_IR
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