Beginning Oracle Application Express 4 by Doug Gault

By Doug Gault

Starting Oracle program convey four introduces the most talked-about improvement structures to come back out of Oracle company in years. Oracle program show, referred to as APEX for brief, allows quick and straightforward improvement of web-based functions that make complete use of Oracle Database. the discharge of APEX four brings an important step forward when it comes to performance and value for either the developer and the tip consumer. strength clients and programmers alike can quick prepare strong and scalable purposes to be used by means of one individual, through a division, via a whole corporation.

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For your example application, you are going to create the most basic shell of the application with only one page. In other scenarios, you could create an initial draft of all of your pages. In order to illustrate the individual wizards for creating pages, you will cover them with more detail in later chapters. After the application has been created, you will add shared components to your example application. Shared components are items and structures that are common across all of the pages in the application.

The summary should say that 22 records were loaded into the TICKET_DETAILS table with zero errors. You now have both of the main tables created and loaded with the legacy data. This alone is enough to start developing an application, but you’re not quite ready to begin yet. Creating a Lookup Table Have a look at the definitions and data of the tables you just created. They are basically just mirror images of the spreadsheet tabs the technicians were using before. If you examine the data closely, you’ll notice that there are still some areas where the data is still not quite normalized the best that it could be.

Select Status as the column from which you want to create the lookup table and click Next. info 3 CHAPTER 4 ■ SQL WORKSHOP Figure 4–17. Selecting the Status column as the source of your lookup table 5. On this screen you’re able to name your lookup table and the sequence that will be related to it. APEX has chosen a reasonable name for your new table and sequence so take the defaults and click Next. 6. The final screen of the wizard (Figure 4–18) provides you with information about the choices made and the action that is about to be performed.

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