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Deploy your database applications and projects on the cloud

Using IBM DB2 data server and Amazon Elastic Compute Cloud (EC2)

Rav Ahuja (rsahuja@ca.ibm.com), Senior Product Manager, IBM

Rav Ahuja is a Senior Product Manager for Data Management at IBM and is based in the Toronto Lab. He has been working with DB2 since version 1, and he has held various roles in DB2 development, technical support, marketing, and product management. In addition to product strategy and evangelism, Rav spends his time helping customers and business partners around the globe benefit from DB2 solutions using emerging technologies and cloud computing. He is a frequent presenter at events in many countries, and he has written numerous papers, articles and books related to DB2. In his spare time, Rav helps maintain ChannelDB2.com, a social network that aggregates DB2 related videos, blogs, podcasts, and so on. Rav holds a Computer Engineering degree from McGill University and an MBA from University of Western Ontario.

Bradley Steinfeld (bsteinfe@ca.ibm.com), Software Developer, IBM

Bradley Steinfeld is a software developer and an open-source-software evangelist based out of the IBM Toronto Lab. He is one of the first IBMers to work with DB2 on the cloud, and he has become an expert on various cloud technologies (Amazon EC2, CloudBurst, Eucalyptus, and so on). He has a Bachelor of Mathematics from the University of Waterloo.

Summary: Cloud computing is an increasingly popular paradigm that can significantly accelerate development and prototyping cycles. In this tutorial you will learn how you can easily deploy your database applications and projects on the cloud in just minutes using IBM® DB2® data server and Amazon Elastic Compute Cloud (EC2). No prior cloud computing or DB2 experience is necessary.

Date: 28 Jan 2010
Level: Intermediate
PDF: A4 and Letter (2313 KB | 39 pages)Get Adobe® Reader®

Activity: 50262 views
Comments:

E. Working with your database

The database you created in D. Performing initial configuration of your DB2 AMI instances does not contain any data yet. For this tutorial, it might be more useful to work with a database that already contains some data. Follow the steps to understand how to find and use an existing database.

Open a terminal, and ssh into your instance.
Enter su - db2inst1 to become the db2inst1 user.
Enter db2sampl to create the sample database, as shown in Figure 48.

Figure 48. db2sampl command
Shows db2sampl entered at command line

Enter db2. The DB2 Command Line Processor (CLP) interface appears, as shown in Figure 49.

Figure 49. DB2 CLP
Shows DB2 Command Line Processor interface

Enter connect to SAMPLE to connect to the SAMPLE database, as shown in Figure 50.

Figure 50. Connect to SAMPLE
connecting to sample database from CLP

Enter list tables to find out which tables are in the SAMPLE database, as shown in Figure 51.

Figure 51. List tables
Shows issuing command and resulting list of tables

Enter other SQL statements to experiment with viewing the data. Figures 52-54 show examples of some statements and results.

Figure 52. Entering the DESCRIBE SELECT * FROM DEPT statement
Shows results of describe select statement

Figure 53. Entering the SELECT * FROM DEPT statement
Shows results of select statement

Figure 54. Entering the SELECT COUNT(*) FROM DEPT statement
Shows results of select count statement

Enter quit to close the CLP interface, as shown in Figure 55.

Figure 55. Closing the CLP interface
Shows issuing quit command

Using Technology Explorer

During the initial configuration phase, the Apache Web Server and a PHP application called Technology Explorer for DB2 (TE) were also setup. TE is a useful Web-based tool to monitor DB2 databases and to learn about new features and technologies in DB2. You can access this tool if HTTP port 80 was opened up for your DB2 instance during the security group setup. Optionally follow these steps to use TE.

Go to http://<Hostname_of_DB2_Instance>/TE to access TE, as shown in Figure 56.

Figure 56. Access Technology Explorer
Shows Technology explorer screen

In the top right corner, click New to create a new database connection.
Enter the details, as shown in Figure 57, and click Connect.

Figure 57. Connecting to a database from the Technology Explorer
Enter sample database, hostname, port number, username, and password

Verify in the top right corner of TE that it is connected to the sample database on your EC2 instance.
Navigate through the menus of this tool to explore your database and to learn about DB2 features, as shown in Figure 58.

Figure 58. Explore Technology Explorer menus
Shows Technology Explorer screen