Compare etl & elt?
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What is lookup table in etl testing?
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?
what is data modeling?
what are the parts of Informatica server ?
What are the various tools used in etl?
Define slowly changing dimensions (SCD)?
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
what happens if the info.server doesn't find the session parameter in the parameter file?
what is dynamic insert?
how many steps are there in etl process?
Two default user groups created in the repository are____and_____.
how do u set the size of block buffer?
Teradata 
