Informatica 面试题与答案
问题 16. How can you handle errors in Informatica?
Errors in Informatica can be handled using error handling strategies such as redirecting rows, terminating the session, or sending errors to a separate target.
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问题 17. What is a Constraint-based Loading Order in Informatica?
Constraint-based loading order in Informatica ensures that data is loaded into the target in a specific order based on defined constraints between transformations.
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问题 18. Explain the concept of a Normalizer transformation.
A Normalizer transformation in Informatica is used to convert columns with repeating groups into multiple rows, making data more readable and usable.
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问题 19. What is the purpose of a Sequence Generator transformation?
The Sequence Generator transformation in Informatica is used to generate unique sequence numbers for rows in a data set.
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问题 20. How is Incremental Aggregation achieved in Informatica?
Incremental Aggregation in Informatica involves updating only the changed or new records in the source, reducing the processing load.
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