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Transformation代表Informatica Server對數據的操作。
Transformation分類：Active和Passive
輸入跟輸出的記錄數會發生改變
不能re-linked到另一個data stream
例子：Aggregator, Filter, Joiner, Normalizer, Rank, Update Strategy, Advanced External Procedure,
ERP Source Qualifier and Source Qualifier, Application Source Qualifier, Router, Sorter
Passive transformations
輸入跟輸出的記錄數一樣
可以re-linked到另一個data stream
例子：Expression, External Procedure, Lookup, Sequence Generator Stored Procedure, Input,
Output, XML Source Qualifier
Transformations分類 : connected 和 unconnected,unconnected transformation在其他的組件中被調用并且有返回值。