Getting Started with DB2 Express-C

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120 Getting Started with DB2 Express-C The wizard shown in Figure 6.8 will guide you through the steps of creating a table space. 6.4 Summary In this chapter we explored the three key aspects of DB2 architecture: the process model, the memory model, and the storage model. For the process model, we looked at the common processes and threads, including db2sysc, without which DB2 could not run. The storage model was discussed in depth, covering the three most important aspects: pages and extents, the bufferpool (including creation details) and table spaces. Finally, we looked at the various types of table spaces, along with details on how they are managed (SMS, DMS, Automatic) and how to create a new table space using the Control Center. 6.5 Exercises This exercise will help you understand the DB2 process model, memory model and storage model on Windows. You will review different processes and threads, monitor memory usage, and practice creating a database that uses automatic storage and storage paths on Windows. Ideally storage paths would be created across disks (drives), but since your computer may not have been configured with multiple disks, this exercise only uses your C:\ drive. Procedure: 1. Let's take a look at some processes on Windows. First of all, open the DB2 Command Window (Start -> run -> db2cmd) and ensure your instance is stopped by issuing this command: db2stop force 2. Open the Windows Task Manager, choose the Processes tab, click on the Image Name column to sort by this column, and look for the db2sysc.exe process, as shown in the figure below.
Chapter 6 – DB2 Architecture 121 3. You should not find the process db2syscs.exe because we asked you in step one to stop the DB2 instance. 4. Start the DB2 instance with this command: db2start, and repeat the previous step. Now can you find the db2syscs.exe process? 5. Let's now look at CPU and memory consumption. Follow these steps: G. Ensure nothing is running in your system by closing all other applications H. Open a new DB2 Command Window and issue: db2stop force I. From the Task Manager, switch to the Performance Tab J. Keep the Task Manager and the DB2 Command Window open and side by side as shown below. Write down the amount of Physical Memory available and the CPU usage.
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GETTING STARTED WITH DB2 Express-C
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Contents About this book ..........
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Contents 7 6.3 DB2 storage model ..
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Contents 9 13.4.2 Cursor stability
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About this book Notices and tradema
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About this Book 13 A book for the c
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About this Book 15 Foreword Innovat
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1 Chapter 1 - What is DB2 Express-C
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Chapter 1 - What is DB2 Express-C?
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1.8 Moving up to another DB2 editio
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30 Getting Started with DB2 Express
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4 Chapter 4 - DB2 Environment The D
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Chapter 9 - Data Movement Utilities
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11 Chapter 11 - Backup and Recovery
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11.4 Database logging from the Cont
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Chapter 13 - Concurrency and Lockin
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13.10 Summary In this chapter we lo
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PART III - LEARNING DB2: APPLICATIO
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Getting started with DB2 9.7 couldn
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