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[DOCX File]Purpose: - Home | Computer Science and Engineering
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As previously stated, in order to normalize the database, you must group related fields into tables while eliminating any duplicate data in the database except the primary keys and foreign keys which will relate the tables together. You also must create a primary key for most of the tables in your database. Figure 1.4 shows the database normalized.
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[DOC File]This is an example of a work breakdown structure (WBS) for ...
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6.02 Convert files/database. 6.03 Install software. 6.04 Run systems in parallel. 6.05 Turn off old system. 6.06 Management review. 6.06.01 Obtain user requirements consensus. 6.06.02 Obtain technical consensus. 6.06.03 Document recommended changes to architecture. 6.06.04 Document recommended enhancements to system. Software Development WBS ...
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[DOC File]Word 2000 - Maine
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STEPS (Refine the Identify Your Fields Worksheet) Look for repeating fields. If repeating fields are present, normalize each set of related data by developing separate tables. Ensure each field is a smallest unit, i.e. separate FirstName and LastName. Second Normal Form. OVERVIEW. Second normal form eliminates redundant data across tables and ...
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[DOC File]Answers to Selected Questions and Problems
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The mapping process uses a series of well-defined steps to generate all of the required database structures. 9. ... a good designer uses a specific and ordered set of steps through which the database design problem is approached. The steps are generally based on three phases: analysis, design, and implementation. ... __7__ Normalize the ...
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[DOC File]Chapter 1
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Generally speaking, logical and physical database design is performed in parallel with other systems design steps. Answer: True Difficulty: Easy Reference: p. 388. 6. Normalization helps build a data model that is simple, not redundant, and requires minimum maintenance. Answer
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[DOCX File]LU10 Notes - DbWiki
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In this lab you will learn the basics of physical database design and learn how to use SQL to perform data conversion techniques. Learning Objectives. Describe the steps in the physical design phase. Explain the various data storage formats for attributes. Explain the appropriate conditions to de-normalize
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[DOC File]CHAPTER 11:
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I. database A. electronic collection of related data that can be easily stored, sorted, organized, and queried. II. fuzzy logic B. ensures that data in the TPS is as up to date as possible. III. online transaction processing (OLTP) C. tries to replicate human decision-making processes.
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Data preprocessing includes four main steps (listed in Table 4.4 on page 153): data consolidation: access, collect, select and filter data. data cleaning: handle missing data, reduce noise, fix errors. data transformation: normalize the data, aggregate data, construct new attributes. data reduction
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[DOC File]ER Diagrams: what do I want
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Database design steps: Create ER model. Convert ER model to relational model. Normalize relational model. Define attribute data types, default values, integrity rules, … Build database using MS Access. Populate with test data ER Diagrams: Entities: distinct ‘things’ in the enterprise. Ex: managers, employees, projects, … generally a noun
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[DOC File]PROJECT PHASES
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Logical Data Modeling. Following the steps in Chapter 15 of the text book map your EER model to a Relational Database (Logical) model. Show that your design is in third normal form by refining the design if necessary. (As in Chapter 13, verify your design by analyzing functional dependencies in each relation.
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Steps to normalize a database