What are the three tiers in etl?


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More ETL Interview Questions

how to connect to a flatfile through ftp in informatica

1 Answers   TCS,


Do we need an etl tool?

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how to join two tables without using joiner transformation .advantages of joiner over lookup and vice versa.

2 Answers   CTS,


diff b/w dwh & data mart diff b/w star schema & snow flake schema diff b/w fact table & dimension table what are the contents in requirement specification what are the docs needed for testing draw ur proj architecture

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how do u really know that paging to disk is happening while u are using a lookup transform?

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if i have a query as flat file how can we load data to target table

0 Answers   Tech Mahindra,


how do u identify the changed records in operational data?

0 Answers   QualTech,


where we cannot use sorter Transformation. if we use then we will not get correct data?

0 Answers  


where are the log files generally stored.Can you change the path of the file.what can the path be?

0 Answers  


what are the facilities provided by data warehouse to analytical users?

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what is the difference steps for data modeling?

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How can we handle Rejection Logic in Source tables while we are matching the data in Target side in ETL Testing ?

2 Answers  


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