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GeekInterview.com > Interview Questions > Data Warehousing > DataStage
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Question: What are Stage Variables, Derivations and Constants?
Answer: Stage Variable - An intermediate processing variable that retains value during read and doesnt pass the value into target column.
Derivation - Expression that specifies value to be passed on to the target column.
Constant - Conditions that are either true or false that specifies flow of data with a link.
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| January 01, 2008 02:08:03 |
#7 |
| manoharkolukula |
CRM Expert Member Since: January 2008 Total Comments: 28 |
RE: What are Stage Variables, Derivations and Constants?
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| the order of execution is stage variable, constraints and dervations. |
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