Overview of Active and Idle Databases in Informatica
In pushdown optimization the Informatica Integration Service pushes the transformation logic to a database called active database and when it does not process then it is called idle database.
• When using full optimization in Informatica the target database will be active whereas the source database will be idle.
• In sessions which contain lookup transformation the source or target database is active whereas the lookup database will be idle.
• In sessions which contain joiner transformation in Informatica the source in the detail pipeline is active whereas the source in the master pipeline is idle.
• In a session which contains Union transformation the source in the first input group is active whereas the source in other input groups will be idle.
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