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What are the differences between Connected and Unconnected lookup? - ETL
ETL (extract, transform, and load) Testing Interview Questions
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12. What are the differences between Connected and Unconnected lookup? - ETL
Connected Lookup:
- participates in mapping
- Returns multiple values
- Can be connected to another transformations and returns a value
Unconnected Lookup:
- It is used when lookup function is used instead of an expression transformation while mapping, where lookup does not available in the main flow
- Returns only one output port
- It cannot be connected to another transformation
- Unconnected Lookups are reusable.
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Other Interview Questions
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