When you want to compare maintenance objects in two environments, you submit a background process in the "target" environment. When you submit this job, you must define the "source" environment. This environment's data will be compared against the target environment's data. You identify the source environment by supplying an "environment reference code" to the background process.
You must run a utility to create an environment reference as this utility sets up many database synonyms (the comparison process uses these synonyms to access the data in this environment). The topics in this section describe how environment references are created and managed.
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