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Question: Which is better among connected lookup and unconnected lookup transformations in informatica or any other ETL tool?

Answer: f you are having defined source you can use connected, source is not well defined or from different database you can go for unconnected
We are using like that only



Category Data Warehousing Interview Questions & Answers - Exam Mode / Learning Mode
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Question: Which is better among connected lookup and unconnected lookup transformations in informatica or any other ETL tool?
Answer:

f you are having defined source you can use connected, source is not well defined or from different database you can go for unconnected
We are using like that only Source: CoolInterview.com


One reason can be in Connected lookup for non matching columns it returns default value for output port to target, whereas in unconnected lookup for non-matching columns we get NULL as output. Source: CoolInterview.com

Answered by: Amit | Date: 6/4/2010 | Contact Amit Contact Amit


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