What is the difference between Data Warehousing and Data Mining?
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Explain etl?
explain the methodology of Data Warehousing?(Polaries)
how do u set partition points in the mapping?
if u can't find what you are looking for in lookup table, how do you handle?
where we cannot use sorter Transformation. if we use then we will not get correct data?
Give the benefits of data integration suite?
1.Identify and discuss the problems which are occurred during data quality verification for the single-source and multi-source problems. 2.Testing has very important role in DWH. In ETL testing phase, how can we perform the integration testing and regression testing? 3.What are the perquisites of system testing and regression testing in ETL phase?
when will use SQL override in a lookup transformation?
how do u automate Extraction process?
What is meant by incremental load?
What is fact? What are the types of facts?
give detail on the sales project how many number of dimensions & fact tables are used in projec briefly. how the four fact tables taken in the project.
Teradata 
