Beginning Oracle Application Express 5 by Doug Gault

By Doug Gault

Whether you’re new to Oracle or an previous hand who has but to check the waters of APEX, Beginning Oracle program exhibit 5 introduces the methods and most sensible practices you’ll have to turn into expert with APEX. The e-book indicates off the programming atmosphere, the utilities and instruments to be had, after which keeps by way of strolling via the method of establishing a operating process from the floor up. All code is documented and defined in order that these new to the languages won't be misplaced. After analyzing this e-book, strength clients and programmers alike can fast prepare strong and scalable purposes to be used by means of one individual, through a division, via a whole company.

Beginning Oracle software exhibit 5 introduces model five of the preferred and efficient Oracle software exhibit improvement platform. referred to as APEX for brief, the platform allows quick and simple improvement of web-based purposes that make complete use of Oracle Database. the discharge of APEX five brings significant new adjustments to the web page builder, an more advantageous common topic, higher RESTful net providers help, better program packaging, and the numerous redesigned wizards provide a brand new and clean suppose to the person interface.

  • Covers brand-new performance in APEX 5
  • Provides totally documented and defined instance code
  • Guides you thru making a operating and entirely deployable application

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They can have their own passwords and settings and aren’t linked together in any way. 0 introduces the ability to use an external repository, such as Single Sign-on or LDAP, as a source to assign and validate APEX users, meaning that a single user could have access to multiple workspaces. However, this functionality is not set up by default and requires an Instance Administrator to configure. When you’re developing, you should get in the habit of logging in as a Developer as opposed to a Workspace Administrator.

However, the SQL Scripts interface warns the user of the existence of SQL*PLUS commands in a script being run and then ignores them if the user chooses to continue. Because of this, the SQL Commands and SQL Scripts interfaces can’t perform many of the functions of extended SQL*Plus scripts. 26 Chapter 2 ■ A Developer’s Overview The Query Builder Although the Query Builder has been relegated to the Utilities page, it merits discussion specifically because it’s helpful to beginners. The Query Builder allows you to build SQL select statements using a more graphical interface, and although it’s not quite drag and drop, it’s fairly intuitive.

If the script were successful, no errors would be shown, and the statement results at the bottom of the page would show zero errors. Figure 2-17. An example of errors from the SQL Scripts interface ■ Note Although both the SQL Commands and the SQL Scripts interfaces can accept and run standard SQL statements, the extended commands of SQL*PLUS aren’t valid in these tools. The SQL Commands interface throws an error when it encounters any SQL*PLUS-specific commands. However, the SQL Scripts interface warns the user of the existence of SQL*PLUS commands in a script being run and then ignores them if the user chooses to continue.

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