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Answer Posted / prasad
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What are the types of Data Warehouse applications?
How many steps etl contains?
How to increase performance without changing anything in mapping.( In prod)
Explain about round-robi?
Difference between flat files and relational sources?
What are the types of data warehouse applications and what is the difference between data mining and data warehousing?
What is partitioning? Explain different types of partitioning?
What is initial load and what is full load?
What is tracing level? How many types of transformations supported by sorted input?
how do u identify the changed records in operational data?
what is a worklet?
what is the meant by Normalization and de-normalization?
how do u estimate the number of partitions that a mapping really requires? Is it dependent on the machine configuration?
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 is granularity in Data ware House?
