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what happens if the info.server doesn't find the session
parameter in the parameter file?
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Compare etl & elt?
what is the meant by Normalization and de-normalization?
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how do u identify the changed records in operational data?
What are the differences between sql override and update override?
What are the names of the layers in etl?
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.
Do we need an ETL tool? When do we go for the tools in the market?
What is abap? What are idocs?
What do you understand by the term ‘transformation’?
how can i text accracy of ETL migration? i am very new to data warehousing. we are writing ETL scripts using SCRIPELLA tool. how can i test the correctness of data. and we are generating reports using pentaho . is there any easy way to test the pentaho. how can test these ETL scripts written in scriptella? thanks in advance
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Define Dynamic push down optmization?
In Which Transformation We Can Use Having Clause In Informatica?
Explain the difference between etl tool and olap tools?
