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Do we need an etl tool?


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More ETL Interview Questions

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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how do u estimate the depth of the session scheduling queue? Where do u set the number of maximum concurrent sessions that Informatica can run at a given time?

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two sources S1,S2 containing measures M1,M2,M3, 4 dimensions D1,D2,D3,D4, 1 Fact F1 containing measures M1,M2,M3 and surrogate keys K1,K2,K3,K4 (a) write a sql statement to populate Fact table F1 (b) Design a mapping in Informatica for loading of fact table F1.

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CAN ANY ONE SEND ME THE CODE FOR THE BELOW 1).REMOVE '_' FROM TELE PHONE "323-237-2323" AND SHOULD DISPLAY OUT PUT AS "323237232" 2). NEED TO ONLY "COMPANY.COM" FROM EMAIL FILED "TEST@COMPANY.COM"

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Explain the use lookup tables and Aggregate tables?

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What is meant by incremental load?

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What is tracing level and what are the types?

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tell me few points when u become TL

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how do u implement unconn.stored proc. in a mapping?

1 Answers  


What is the difference between round-robin partitioning and hash partitioning?

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Do we need an etl tool?

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what is the meant by Normalization and de-normalization?

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