Introduction Huffman Trucking is in need of a system to help maintain its large trucking fleet’s maintenance‚ purchases‚ and vehicles. What is being purposed is a relational database that will greatly improve the record keeping for its fleet. This system will allow for reports to be generated to ensure that all vehicles have been properly maintained and record the daily operations of the maintenance department. The types of reports that can be generated are: * Parts Inventory Purchase
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DATA: A collection of known facts and figures. May contain text‚ numbers‚ images‚ sounds or videos etc. It doesn’t convey useful information METADATA: Data about data (describes prop and char of other data) INFORMATION: 1. Processed form of data is called Information 2. Processed data to increase knowledge of user e.g Name‚ Ages Older than 30 * Bit: Smallest unit of data; binary digit (0‚1) * Byte: Group of bits that represents a single character * Field: Group of words
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Data Definition‚ Constraints‚ and Schema Changes CREATE TABLE -Specifies a new base relation by giving it a name‚ and specifying each of its attributes and their data types (INTEGER‚ FLOAT‚ DECIMAL(i‚j)‚ CHAR(n)‚ VARCHAR(n)) - A constraint NOT NULL may be specified on an attribute CREATE TABLE DEPARTMENT ( DNAME VARCHAR(10) NOT NULL‚ DNUMBER INTEGER NOT NULL‚ MGRSSN CHAR(9)‚ MGRSTARTDATE CHAR(9) ); - In SQL2‚ can use the CREATE TABLE command for specifying the primary key attributes
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MIS5370: Database Design and Management Home work Question 1. After completing a course in database management‚ you have been asked to develop a preliminary ERD for a symphony orchestra. You discover the following entity types that should be included. • CONCERT SEASON: The season during which a series of concerts will be performed. Identifier is Opening_Date which includes Month‚ Day‚ and Year. • CONCERT: A given performance of one or more compositions
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The Fundamentals of Database Design To end up with a good ‘relational database’ application‚ you need to ask: Do I actually need one? If so‚ how far do you want to take it? By this I mean‚ is this to be a simple database to store information about only one‚ or very few‚ related entities (i.e. a list of people who attended a certain event‚ and how they came to hear about the event) which are not likely to change; or a permanent and well used application with several different entities (i.e.
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correct sequence. 5. Read the instruction of each section carefully. 6. There are 3 sections altogether A‚ B and C. SECTION DESCRIPTION 15 Multiple Choice Questions Short Answer Questions 5 Long Answer Questions Q1. Entity Relationship Diagram Q2. Relational Algebra Q3. Normalisation Q4. SQL Q5. Transaction Management and Concurrency Control MARKS 15 20 10 10 15 20 10 Time: Total Marks: 100 A B C Total Marks 100 1 SECTION A: MULTIPLE CHOICE [15 Marks] Instruction: There is only ONE best answer
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SAP Business Objects - Sample Universe on Microsoft SQL Server Applies to: SAP BusinessObjects XI4‚ the information design tool and Microsoft SQL Server 2005 & 2008. For more information‚ visit the Business Objects homepage. Summary This article describes the content of the sample universe for Microsoft SQL Server. It explains how to set up the universe in the information design tool and how to make it available to the SAP Business Objects client tools. Download the attached file here
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the store. The requested data will include Sales Transactions List‚ Inventory Status List‚ Monthly Profit Reports‚ Monthly Report of PCs not selling and Inventory Status Query by Product. This will be accomplished using a series of tables that are relational and work with a unique primary key in each table that allows the data to be linked and expanded when needed. Tables Now that we have identified the
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MGMT 393 Professor Maurer 22 June 2014 The Business of Social Media and Making the ROI Case No. It appears the strategy was lacking in functionality and thus the $200‚000 was not a true profit. Cost may have played a part in not obtaining the profit margin expected along with not clearly identifying goals and objectives. Danny Brown said there is true cost associated with implementing a social media adventure. You will want the following at the following cost; a social media strategist
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Systems Potential sales and department store transactions stored within the database. Following the successful expansion of the retail environment to several new stores there is a clear need for an enterprise wide relational database especially with the envisaged increase in sales as a result of current marketing activity. There are several important steps to consider when designing a database‚ as a well-designed database should be deployed and not only support the
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