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Explain what is etl process? How many steps etl contains explain with example?


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More ETL Interview Questions

Hello all, Source Table(Flat File):- Target Table(Flat File):- Date Date 01/08/2008(DD/MM/YYYY) 01/08/2008 02/08/2008 03/08/2008 04/08/2008 05/05/2008 My requiremnt is this. I need to do it by informatica,Plz tell me how can i do it? Thanks

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What is factless fact schema?

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

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Explain do we need an etl tool? When do we go for the tools in the market?

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what is the meant by Normalization and de-normalization?

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what is the difference between cardinality and Nullability?

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what are Lookup caches options? Including persistent caches.

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Give a way in which u can implement a real time scenario where data in a table is changing and u need to look up data from it.How will u configure the look up transform for this purpose?

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Explain etl?

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what are the production issues in datastage?

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how to do aggregation (year wise quantity ) using only source qualifier, the source is sql server date as datetime data type and target as flat file with year (string datatype)

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can be used COM component in Informatica ?

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