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Beginning Oracle Application Express (Wrox Programmer to by Rick Greenwald

By Rick Greenwald

Oracle program show is an easy-to-use program improvement setting equipped at the Oracle know-how stack. There are features of that past sentence that you could be locate jarring—that Oracle, an organization widely recognized for its database know-how, has an software improvement atmosphere, and that Oracle, a firm regarded as offering high-end, enterprise-ready expertise, has something that's effortless to use.But, as this e-book will convey, the introductory assertion is totally exact. Oracle program show, generally known as Oracle APEX or just APEX, does enjoy the original enterprise-class robustness that's the hallmark of Oracle know-how. The functions you construct might be in a position to aid hundreds of thousands of clients and plenty of terabytes of information, scalability a long way past even the mind's eye of such a lot different improvement environments.And Oracle APEX, with its declarative, wizard-driven method, is actually effortless to exploit. throughout the few hundred pages of this ebook, you won't in basic terms know about tips on how to use APEX, you'll create a usable order access method. the quick studying curve awarded in those pages is a end result of a long time of improvement and refinement of the APEX product, which all started lifestyles nearly a decade in the past inside Oracle.By the tip of this quantity, you are going to recognize adequate to create your personal purposes, in addition to having the information and realizing of Oracle APEX and the realm of Oracle expertise to discover additional refinements in your own.Best of all, you should use APEX with totally no cost—either in a hosted atmosphere, as urged in bankruptcy 1, or with a loose model of the Oracle database.Welcome to the area of Oracle software Express!This e-book is aimed toward a specific workforce of users—those who're no longer accustomed to Oracle program convey. The booklet assumes that you've a uncomplicated wisdom of software improvement, the sort you may get from being silly with a private database equivalent to entry. in reality, this booklet used to be written with an entry developer in mind—an entry developer seeking to step as much as a extra scalable and trustworthy surroundings, with lowered upkeep overhead and larger integration among software systems.This e-book covers using Oracle program exhibit. even if the e-book relies at the 3.5 model, you should use the publication with older types to boot. notwithstanding, because the publication will use a hosted model of Oracle program show, and because either the Oracle database that aid the product and the product itself can be found as unfastened downloads from http://otn.oracle.com, try to be in a position to use the most recent model easily.This booklet is established to offer the reader a gentle creation to the necessities of improvement with Oracle program show. The publication includes the following:Welcome to Oracle!—This includes an summary of Oracle program show, in addition to directions on tips to organize a hosted improvement setting for acting the routines utilized in the book.Jumpstart Oracle software Express—You will jump into growing functions with Oracle software exhibit and end an easy program by means of the tip of this.Extending Your Oracle APEX Application—This will introduce you to the choices in Oracle APEX that allow you to make sure that your clients will input right information whereas utilizing your application.Validation, Calculation, Navigation, and Lists—This keeps the exploration of the elements of APEX that assist you to make sure that information utilized in your program is true. also, this covers easy navigation recommendations to your application.Reporting and Charting—This covers the robust and versatile reviews you could create with Oracle APEX, and introduces you to the graphical features of APEX reporting.Components operating Together—This extends your paintings with charts, displaying how one can create charts that hyperlink to a extra precise view of the knowledge they characterize. additionally, you will the best way to create a calendar web page with hyperlinks to the information proven as a part of the calendar, and the way so as to add photographs taken from the underlying database to an Oracle APEX report.Customizing consumer Interfaces—This explores complicated recommendations for customizing person interfaces, on person pages in addition to throughout your whole APEX application.PL/SQL—This introduces you to PL/SQL, the underlying language used to enforce your APEX program, and demonstrates the right way to use the facility of PL/SQL to increase the common sense on your application.Security—This covers how safeguard is applied in your APEX environment.Deployment and Administration—This covers the choices you've got for deploying an APEX software to a different surroundings and walks you thru a type of concepts. also, this introduces you to the executive performance you should use to observe and deal with your APEX applications.Packaged Applications—This provides an summary of packaged functions to be had for Oracle software exhibit, with a extra specified examine a choose few.Migration—This describes how you can migrate functions from Microsoft entry to Oracle program show.

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Example text

But you will have to add another constraint to this table to establish the relationship between ORDER_ITEMS and the ORDERS table. 7. Return to the SQL Workshop page. 8. Select the Browse and Tables choices under the Object Browser icon. 9. Select the just imported table ORDER_ITEMS, and select Constraints from the choices at the top of the right-hand panel. 10. Select the Create option, to bring up the page shown in Figure 2-24. This page allows you to create any of the Oracle supported constraints.

Click Next. 10. The next page, shown in completed form in Figure 2-30, allows you to specify how you want the user to navigate through the rows of the master table. For this example, you want to have a report on the rows of the master table, so leave the choice for Include master row navigation? set to the default of Yes. Select ORDER_ID as the Master Row Navigation Order to allow navigation by ORDER_ID, and click Next. indd 42 11/9/08 4:21:39 PM Chapter 2: Jumpstart Oracle Application Express Figure 2-30 11.

You can also use a hosted version of Oracle Application Express. This book is designed for this remote access to APEX, although the examples should work with either of the other two options. The next section will describe exactly how to sign up for your hosted Oracle APEX account. How to Sign Up for a Hosted APEX Account Oracle Corporation provides free hosted APEX accounts for your trial use. Signing up is an easy process that will take you less than 2 minutes. com, which is shown in Figure 1-4.

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