Getting Started with IBM Data Studio for DB2

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96 Getting Started with IBM Data Studio for DB2 After you select the tables, click OK. The overview diagram is generated, as shown in Figure 2.30. Figure 2.30 – Entity-Relationship diagram for selected tables Using ER diagrams during development can be crucial to understand the database design and increase your productivity. Note: You can better visualize your existing database structure by generating an ER diagram. To create logical models using UML or to create physical models that can be deployed, you need to use a data modeling product, like InfoSphere Data Architect. Refer to the ebook Getting Started with InfoSphere Data Architect: https://www.ibm.com/developerworks/wikis/display/db2oncampus/FREE+ebook+- +Getting+started+with+InfoSphere+Data+Architect 2.7 Working with existing tables Data Studio also has tools that assist in maintenance of the existing data, which is stored in tables. In this section we will show how to edit the data contained in a table and look at the DDL to recreate the table. The Run Statistics task will be covered in more detail in Chapter 3. Figure 2.31 shows the actions that you can run on database tables from the object list editor.
Chapter 2 – Managing your database environment 97 Figure 2.31 – Available actions for database tables 2.7.1 Editing table data When developing database applications, you will frequently need to update table data so that you can force a complete exposure of your application’s code path and induce error conditions to test the application’s error handling. With Data Studio, you can edit the table data by right-clicking the table and selecting the Edit Data action. The table data editor opens to display the existing data in the table, as shown in Figure 2.32.
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3 Notices This information was deve
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Table of contents 5 Table of conten
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3.3.1 Exporting data...............
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Chapter 7 - Tuning queries ........
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Preface 13 Keeping your skills curr
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around the world have participated
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17 About the authors Dimple Bhatia
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Contributors 19 The following peopl
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21 Acknowledgements The authors owe
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159 Chapter 5 - Creating SQL and XQ
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355 Appendix D - The Sample Outdoor
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E.5.4 Data web services artifacts A
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References 391 References [1] HAYES
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References 393 Books and articles 1
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396 Getting started with IBM Data S
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