Getting Started with IBM Data Studio for DB2

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124 Getting Started with IBM Data Studio for DB2 Figure 3.23 – Selecting the data files format and the location b. Specify an import mode: ◦ INSERT: The imported data will be appended to the existing data in the table. ◦ INSERT_UPDATE: A row is updated if that particular row already exists; otherwise a new row is inserted. ◦ REPLACE: Existing data is overwritten. 3. Open the Advanced Options tab, and complete the page. In this example, select Automatically commit as shown in Figure 3.24: Figure 3.24 – Selecting advanced options for Import For more information about these options, see the DB2 documentation for theIMPORT command here: http://pic.dhe.ibm.com/infocenter/db2luw/v10r1/topic/com.ibm.db2.luw.admin.cmd.doc/ doc/r0008304.html 4. Use the Columns tab to specify where data is retrieved from if you are importing large objects and XML data. 5. When you are done providing all of the necessary options, you can click the Run button to import the data into the table, as shown in Figure 3.24. 6. Close the editor before you start the next task.
Chapter 3 – Maintaining the database 125 Note: You can also use the Load utility to load the data into the table. When you use the Load utility, the results are almost identical, but the Load utility can be faster for large quantities of data. When you run the Load utility, you complete a multi-step process, whereas the Import utility can process most data in a single step. To learn more about the Load utility, refer to the documentation in the DB2 information center: http://pic.dhe.ibm.com/infocenter/db2luw/v10r1/topic/com.ibm.db2.luw.admin.dm.doc/doc /c0004587.html After you understand the Load process, you can try to run the process on your databases with Data Studio. 3.4 Planning for recovery: Configuring DB2 logging The DB2 logging facility logs any SQL statement updates done on the database. These logs help in recovering a database state in case of any system failure. DB2 logging can be categorized as follows: Circular logging: the changes are logged only for those transactions that are not committed. With this kind of logging, you can recover the data from the latest backup only. This is the default when you create a database. Archive logging: all the changes including the committed ones are logged here. With this kind of logging, a roll forward can be done after restoring from a backup. The roll forward process applies all the transaction that occurred since the last backup. In addition, archive logging is a must for online backup operations. Note: To learn more about database logging and the logging options, see this DB2 information center topic: http://pic.dhe.ibm.com/infocenter/db2luw/v10r1/topic/com.ibm.db2.luw.admin.ha.doc/doc/ c0006073.html You can change the logging type by right-clicking the database and selecting Set Up and Configure -> Configure Database Logging, as shown in Figure 3.25 below.
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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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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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355 Appendix D - The Sample Outdoor
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Appendix E - Advanced topics for de
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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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Getting Started with IBM Data Studio for DB2

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