what are the data modeling tools you have used?(polaris)
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What is data cleaning?
Hi can anyone write query for the below input and output Table 1 col 1 100 Null 200 300 Table 2 col1 Null 400 700 800 o/p 200 700 800 2)sql col 1 contains 23x-5-45 26x-12-45 28x-10-50 o/p middlevalue should be greater than 10
Explain different types of partitioning?
without using ETL tool can u prepare a Data warehousing and maintaining?
What do you understand by active and passive transformations?
List few etl bugs?
What is Data Vault???
Two different admin users created for repository are________and_________.
What are materialized views & where do we use them?
Explain about power designer data modeling software?
can u anyone plz share some etl testing interview question . and share the sql queries and unix . plz help me to clear in the etl testing interview by sharing ur knowledge
how do use session mapping parameters ?(in which transformation)