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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MOBILE DATABASE CONTENTS | Page No. | i. Abstract | 3 | 1. Introduction | 3 | 2. Background | 4 | 3. Mobile Database Architecture | 5 | 4. Technique to Secure database 4.1 Data Synchronization 4.2 Mobile transaction 4.3 Embedded database 4.4 Authentication from the Web Server 4.5 Data Privacy 4.6 Adaptability to Middleware 4.7 Communication 4.8 Data Encryption at client side | 67788991010 | 5. Resisting
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FIN 320 EXCEL SHEET Problems Please solve the problems below using an excel sheet and the excel functions. 1) (15 pts) A firm is considering a project with an initial investment of $170‚000 and required return of 12%. The following cash flows are expected over the 8year life span of the project: Year Cash flows 1 35‚300 2 46‚200 3 50‚000 4 22‚620 5 15‚100 6 5‚200 7 11‚740 8 89‚300 a) Calculate the Net Present Value (NPV) of the project. Should the
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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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SBUS10050 Excel Exam The Excel Practical Exam: You will be asked to complete a financial forecast for a small company. You will each receive a unique excel file. The file contains a set of instructions on the ‘Instructions’ sheet‚ a set of data on the ‘Excel test data’ sheet and a sheet containing the set of definitions of financial terms (also given at the end of this document). You are required to follow the instructions to complete a financial forecast‚ create a graph and answer a descriptive
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Excel Formulas and Functions Microsoft Office Excel is used to store data and crunch numbers in all types of businesses. The spreadhseet program’s power lies in Excel functions and Excel formulas‚ which allow all sorts of data analysis‚ from simple sums to standard deviations. Consider this Cheat Sheet your quick and easy Excel tutorial. Excel Functions You’re Likely to Use Some Excel functions apply to specific subject areas‚ but others are general and apply to all needs. The following list
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from management. What were the advantages and disadvantages to Sonic each form of business Ownership? The advantages are they have the ability to have as many Sonic Restaurants all over the world‚ personal ownership‚ lower failure rate and management marking assistance compared to someone who begin a business from scratch. The disadvantages are that they have large start-up costs‚ shared profits‚ management regulations and coattail effect. Another advantage would be having a unified voice
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To make a line break in a cell (not everything fits well within a cell) -type first part then press alt+enter and then type the rest‚ it’ll put the rest on second line when you hit enter In a cell the number ’1’ is equivelent to 100% Excel stores dates as serial numbers starting at 1 (which is January 1‚ 1900) so 9/15/2012 is 41167 (the number of days from 1/1/1900 to 9/15/2012) To adjust colum width (the horizontal measurement of a column) -Click "Format" in cells group (on Home
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Normalization A logical design method which minimizes data redundancy and reduces design flaws. Consists of applying various “normal” forms to the database design. The normal forms break down large tables into smaller subsets. First Normal Form (1NF) Each attribute must be atomic • No repeating columns within a row. • No multi-valued columns. 1NF simplifies attributes • Queries become easier.
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Database Organization Here at the College of Veterinary Medicine‚ the databases that I have used are Microsoft SQLServer‚ Microsoft Access‚ and ProISAM. ProISAM is the type of database that Vetstar (our Hospital system) uses. It is the proprietary database for the PROIV programming environment that Vetstar is written in. The main problem with this database is that it is not ODBC compatible which just means that you cannot
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