Getting Started with InfoSphere Data Architect

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156 Getting started with InfoSphere Data Architect a. Click the Browse button next to the Model to export field. The Export Mapping Model window opens. b. Select the STUDENT_MAPPING.msl mapping model file, then click OK to add it to the wizard. c. Click the Browse button next to the Export to field. The Save As window opens. d. Specify STUDENT_MAPPING.csv in the File name field, then click OK. 4. Click Finish to create the CSV file in your workspace. The CSV file is created and saved in the University Info System directory of your workspace path. For example, it could be saved to the following file path on a Windows machine: C:\Documents and Settings\Administrator\IBM\workspaces\IDA_GettingStarted\University Info System\STUDENT_MAPPING.csv You can import this file to other tools that support the *.csv file format. 8.7 Exercise 1. Create a mapping model of the NEW_SDT_DDL.dbm physical data model and the STUDENT_INFO_SYSTEM.dbm physical data model. 2. Run the Discover Relationships tool and approve or reject mappings within the mapping model. 3. Create new mappings as necessary. 4. Add a transformation function to one of the mappings. 5. Generate an SQL script from the mapping model. 6. Create a CSV file that can be used with other tools. 8.8 Summary In this chapter, you learned about mapping models and how they can be used to manage various data sources and the relationships between data models. You learned how to create a mapping model and discover the potential relationships between the objects in your data models, and you also learned how to manually create the relationships between these objects. Then you generated a SQL file to create these relationships on the server, and you generated a CSV file to use the mapping model in other tools. 8.9 Review questions 1. What is a mapping model? 2. Why would you need to create a mapping model? 3. What are the different types of mapping? 4. Which of the following transformation functions can be added to a mapping group? A. Filter
Chapter 8 – Model Mapping and Discovery 157 B. Sort C. Join D. All of the above 5. True or false: You can map more than one source element to a single target element.
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G E T T I N G S T A R T E D W I T H
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5 Notices This information was deve
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7 Trademarks IBM, the IBM logo, and
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10 Getting started with InfoSphere
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17 About the Authors Erin Wilson is
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19 Contributors The following peopl
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PART I - OVERVIEW AND SETUP 21
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Chapter 2 - Data Modeling Overview
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Chapter 2 - Data Modeling Overview
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PART II - MODELING YOUR DATA 47
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Getting Started with InfoSphere Data Architect

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