What are user-defined Environmental Variables in DataStage?
IBM Information Server or DataStage 8.x provides default variables during the installation and can be used through out the project called environmental variables.
Hard-coding the values like user name, password, source file path locations in the programs is not the best practice and DataStage is no exception. The user-defined environmental variables are selected by using the DataStage Administrator in Projects tab under Properties -> General Tab -> Environment -> User Defined.
In IBM Information Server or DataStage, one of the ways the DataStage jobs are parametrized using the user-defined variables.
These variables are defined on the project level, they can be used across the project level.The default values are defined for the variables in the administrator and these values are passed to the DataStage jobs during the run-time. Continue reading