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What is the difference between Data Warehousing and Data Mining?
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what is the difference between cardinality and Nullability?
how many maximum session supports to multiload in teradata ??
you have created a lookup transformation for a certain condition which if true returns multiple rows. when you go to the target and see only one row has come and not all. why is it so and how it can be corrected.
how to answer the question "explain project architecture" in informatica pls any one who has the answer pls send the answer to this mail id "karumanchisrinu@gmail.com
what is the difference steps for data modeling?
Can we create Hierarchies in generic datasources?
what are the different Reporting and ETL tools available in the market?
What are your responsibilities as an etl tester?
can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.
Define Dynamic push down optmization?
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
Mention few test cases and explain them?
Teradata 
