Database Reference
In-Depth Information
Selecting an application from the list takes you to an informational page about the
application, providing a description, version, and other details about minimum require-
ments. To install the application, simply click the Install Application button and follow
the default prompts. The wizard asks you about which schema you wish to install the
application in and which authentication type you would like to use, and it automatically
installs the selected application and the database objects that support it. If the selected
application is already installed, you see options enabling you to Run, Remove, or Man-
age the application, as shown in
Figure 5-6
. The sample applications are good learning
tools for seeing a variety of features implemented very quickly.
Figure 5-6.
Run, Remove, and Manage buttons for an installed packaged application
Packaged applications (apart from those that are considered Sample applications)
are installed in a
locked
state by default so they can't be edited. If you wish to look at
the code, or you want to extend or alter the application, you can unlock the application
by clicking the Manage button. From here you're able to unlock, export, or change the
authentication for the application, as shown in
Figure 5-7
.
Figure 5-7.
Managing a packaged application
The packaged applications that are provided with 4.2 are quite comprehensive, in-
teresting, and worth taking a look at for various reasons. In fact, it may save you devel-
