Getting Started with IBM Data Studio for DB2

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136 Getting Started with IBM Data Studio for DB2 and reorganizing tables and indexes as necessary. This can be configured using Data Studio by launching the appropriate editor by right-clicking the database, and selecting the option Set Up and Configure -> Configure Automatic Maintenance. Configuring database or instance parameters: The database manager provides many parameters at the database level as well as database manager level that can be configured for specific behavior and tuning of a database or database manager. This can be achieved using Data Studio by launching the appropriate utility by right-clicking the database, and selecting Set Up and Configure -> Configure. This option is also available on the instance node in the Administration Explorer. 3.7 Exercises To practice what you have learned in this chapter, try out the following exercises. 1. Create a table space,Tb1. Now create a table,T1 and make sure it’s stored in table spaceTb1. Now create an index on theT1 table and store it in the default table space (USERSPACE1). 2. Create a table spaceTb2 and check what privileges are available. Give all of the possible privileges to another user. 3. Create an online backup of theGSDB database. Update some of the tables. Now restore the database and perform a roll forward until the end of the logs. 3.8 Summary In this chapter, you were introduced to some DB2 concepts such as table spaces, buffer pools, and logging. Using Data Studio, you learned how to create these objects, perform REORG,RUNSTATS,BACKUP,RESTORE,RECOVER andROLLFORWARD operations. For more detail about these DB2 concepts, refer to the ebook Getting Started with DB2 Express-C. 3.9 Review questions 1. What are the three types of table spaces in DB2 data servers? 2. What are the file formats supported for exporting data? 3. Which file format allows you to create the table while exporting? 4. Name the two different logging methods supported in DB2 data servers. 5. What two operations are combined to compose the Recover operation? 6. A system-managed table space can have containers of the following type: A. Directory B. File C. Raw Device
Chapter 3 – Maintaining the database 137 D. All of the above E. None of the above 7. A buffer pool is used mainly: A. To store the intermediate results of queries B. To fetch data from disk to volatile memory/RAM C. To store updates to the data D. To process the data before returning it to the application E. All of the above 8. An online table reorganization is preferred when: A. Access to database tables is critical while reorganization is occurring B. Data needs to be clustered perfectly C. More storage space is required D. Index rebuild is required E. All of the above 9. When is statistics collection recommended? A. When the data is fragmented B. After many selects on the data C. After many updates on the data D. All of the above E. None of the above 10. An incremental backup contains: A. All of the data B. Only the modified data after the last full backup C. Only the modified data after the last full or incremental backup D. Only the modified data after any kind of backup E. None of the above
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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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213 Chapter 7 - Tuning queries In t
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7.4.2 Run the Statistics Advisor an
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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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