Before explaining the different ways in which variables can be used to enhance your processes, it's important to introduce the concept of nested jobs, which is closely related to the scope of variables.
In the same way that you can run a Transformation inside a Job, you can also run a Job from a Job, which allows you to nest the execution of jobs. In order to do this, you use the Job Job entry, located in the General category of job entries. A Job with nested jobs will look like this:
Just like any job entry, the Job Job entry may end successfully or may fail. Based on this result, PDI decides which of the entries ...