What is the difference between a connected look up and unconnected look up?
Written by ideadeolo Monday, 16 January 2012 00:09
Connected lookup takes input values directly from other transformations in the pipleline.
Unconnected lookup doesnt take inputs directly from any other transformation, but it can be used in any transformation (like expression) and can be invoked as a function using :LKP expression. So, an unconnected lookup can be called multiple times in a mapping.
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