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Beginning Oracle Application express by Rick Greenwald

By Rick Greenwald

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This chapter introduced you to the basics of APEX, including: ❑❑ What is APEX? ❑❑ What application will you be building in this book ❑❑ How will you build that application This book will walk you through the process of creating a sample order entry application, which will teach you the techniques you need to create your own applications. Without further ado, on to the world of APEX! indd 16 11/9/08 4:21:35 PM 2 Jumpstart O racle Applicat ion Expres s Oracle Application Express, more commonly known as Oracle APEX or APEX, gives you a highly productive environment to create applications from start to finish.

Once the workspace has been created, the hosted environment will send credentials for that workspace to your email address. indd 11 11/9/08 4:17:12 PM Part I: Introducing Oracle Application Express ❑❑ Click on the link to go to the login page for your hosted account, shown in Figure 1-8. Enter your workspace name and your user name, which is the email address. Check your email for your credentials, and enter the password sent to you. Click Login, which will bring you to Oracle Application Express, your development destination, shown in Figure 1-9.

The foreign key constraint is implemented within the Oracle database, so you can see it in the Object Browser. But the real payoff comes when you create a page for the ORDER_ITEMS table, and you can see how APEX handles the defined relationship. Creating Another Page It won’t take long to generate another page in your APEX application to handle interactions with both the ORDERS and the ORDER_ITEMS tables. Try It Out 1. Creating Pages for Master-Detail Tables Return to the Application Builder page, and double-click on the Book Sample application you just created, which will bring up the page you saw before, as shown in Figure 2-26.

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