Deriving a service means that you create a new interface for an existing implementation. Use an existing resource such as a stored procedure on a database or a queue on a JMS provider.You derive a service of the corresponding type that is automatically bound to the hosting resource.
To derive a service:
In the Enterprise Explorer, select one of the resources under a connection profile.
Right-click the resource.
The list contains a selection titled Derive... that corresponds with the type of service you have selected. For example, if you selected a database service, the selection is Derive Db.
The new service wizard opens.
Follow the wizard as you would for creating a new service.
When you are given choices to select from, only selections that are valid for your service are available.
Click Finish.
The new service displays in the WorkSpace Navigator.
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