Explain what are the various etl tools in the market?
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what is different between sequential batch and concurrent batch and which is recommended and why?
what is the meant by Normalization and de-normalization?
What is a materialized view log?
Two different admin users created for repository are________and_________.
can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.
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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What is etl process. How many steps etl contains explain with example?
what are the facilities provided by data warehouse to analytical users?
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