You can configure a connected Lookup transformation or an unconnected Lookup transformation. A connected Lookup transformation is a transformation that has input and output ports that you connect to other transformations in a mapping. An unconnected Lookup transformation appears in the mapping, but is not connected to other transformations.You can configure a connected Lookup transformatio
阅读背景：
Informatica Lookup Transformation组件的Connect 与Unconnected类型用法
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