What are various etl tools in the market?
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list the transformation used for the following:Heterogeneous sources,Homogeneous sources,Find the 5 highest paid employees with in a dept,create a summery table,generate surrogate keys
What is meant by incremental load?
Explain etl mapping sheets?
what is the difference between date cache and lindex cache?
where is the cache (lookup, index) created and how can you see it.
Difference between flat files and relational sources?
if i have a query as flat file how can we load data to target table
Is there any body who works on Pervasive Data Integrator (previously Data Junction)? Is there any scope also?
How to increase performance without changing anything in mapping.( In prod)
0 Answers IBM, Saama Tech, Wipro,
What are the key benefits of ETL Testing?
what are the facilities provided by OLAP to analytical users?
Difference between flat files and relational sources?
Teradata 
