parent job, grand-parent job or the root job). The "Set Variable" step in a transformation allows you to specify in which job you want to set the variable's scope (i.e. Because the scope of an environment variable is too broad, Kettle variables were introduced to provide a way to define variables that are local to the job in which the variable is set. Changes to the environment variables are visible to all software running on the virtual machine. The only problem with using environment variables is that the usage is not dynamic and problems arise if you try to use them in a dynamic way. Traditionally, this was accomplished by passing options to the Java Virtual Machine (JVM) with the -D option. The first usage (and only usage in previous Kettle versions) was to set an environment variable. You define variables by setting them with the Set Variable step in a transformation or by setting them in the kettle.properties file. Variable : “ Variables can be used throughout Pentaho Data Integration, including in transformation steps and job entries.
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