Explain and compare etl & manual development?


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What are the three tiers in etl?

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my name is amar i want display 1st line A 2nd line M 3rd line A 4th line R in database & informatica

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Two different admin users created for repository are________and_________.

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What is etl tool in hadoop?

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Do we need an etl tool?

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Explain about power designer data modeling software?

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how do u extract data from different data sources explain with an example?

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we hava more than 1000 records. i have to select first 5 record, last 5 record and 5 records from middle of the source. how can i do in oracle as well as in informetica??

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what is the difference between cardinality and Nullability?

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where is the cache (lookup, index) created and how can you see it.

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how to load the data to fact table?

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Can anyone please send me the latest informatica dumps (power center 8.1.1) for all the three exams? My mail id is yokilamai@gmail.com

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