By Doug Gault
Beginning Oracle program exhibit 4.2 introduces model 4.2 of the preferred and efficient Oracle program show improvement platform. known as APEX for brief, the platform permits quick and simple improvement of web-based functions that make complete use of Oracle Database. the discharge of APEX 4.2 brings broad new Flash and HTML five charting features, improved issues for cellular purposes usable from telephones and drugs, RESTful net companies aid, stronger software packaging, and the various redesigned wizards supply a brand new and clean consider to the person interface.
no matter if you are new to Oracle or an previous hand who is but to check the waters of APEX, Beginning Oracle software convey 4.2 introduces the strategies and top practices you have to to develop into expert with APEX. The booklet exhibits off the programming setting, the utilities and instruments to be had, after which keeps through strolling throughout the means of development a operating approach from the floor up. All code is documented and defined in order that these new to the languages aren't misplaced. After interpreting this ebook, energy clients and programmers alike can fast prepare strong and scalable functions to be used by way of one individual, by way of a division, through a whole corporation.
- Covers brand-new performance in APEX 4.2
- Provides absolutely documented and defined instance code
- Guides you thru making a operating and completely deployable software
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Additional info for Beginning Oracle Application Express 4.2
If you’re trying to create applications against synonyms from another schema or across a database link to another database, in many cases the wizards won’t be functional because the metadata for these objects is unavailable. Some features won’t work at all, such as the management of BLOB data across database links. In general, reports are much easier to deal with when it comes to disparate data, because you can supply a working query and create a report. Forms, however, become much more difficult because the insert, update, and delete logic must be coded manually instead of relying on the APEX-supplied automated DML processes.
The main tools available as part of the SQL Workshop are displayed in the toolbar at the top of the page. Each of the individual tools deserves its own introduction, so let’s spend some time now looking at what they are and what they can achieve. You’ll use this area of APEX more heavily when you create the database objects for your application. The Object Browser If you’ve been working with databases for any length of time, you’ve probably used one of the more popular GUI tools that allow you to browse and manage database objects in a schema.
Speaking to both the technicians and the end users can provide a huge amount of information, but the challenge is that this information usually comes in the form of complaints about the current system. Quizzing the end users reveals that their main complaint is that they never know the status of the problems they’ve logged. They can go days, sometimes weeks, without communication from the technicians, and in the eyes of the users, no communication means no one is working on their problems. Another user complaint is that the help-desk technicians often don’t know how to contact them to ask further questions or communicate progress.
Beginning Oracle Application Express 4.2 by Doug Gault