What are the names of the layers in etl?


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More ETL Interview Questions

flat filevalidation in informatica

0 Answers   Hewitt,


Hi please try to reply with answer. my mail id is raghu.1028@gmail.com. if the source is having millions of records, but having theree target tables. As per user the first record need to insert into first target and second record in to a second target and third into third target, similarly the process needs to repeat?

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what are the concerns of OLTP and DSS systems?

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What are the etl testing operations includes?

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how do u implement configuration management in Informatica?

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how do u identify the changed records in operational data?

0 Answers   QualTech,


What is grain of fact?

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Explain etl mapping sheets?

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how do u set the size of block buffer?

1 Answers  


If you concatenate data from a normalizer transformation,the ports you concatenate cannot include OCCURS(T/F).

1 Answers  


what happens if the info.server doesn't find the session parameter in the parameter file?

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can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.

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