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how does the server recongnise the source and target
databases.Elaborate on this
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What is granularity? Please explain with example
What is tracing level?
Give a way in which u can implement a real time scenario where data in a table is changing and u need to look up data from it.How will u configure the look up transform for this purpose?
How we can see table structure?
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 are the data modeling tools you have used?(polaris)
if u can't find what you are looking for in lookup table, how do you handle?
what is the advantage of persistent cache? when it should be used?
What are the different etl testing categories as per their function?
explain the methodology of Data Warehousing?(Polaries)
how many steps are there in etl process?
what is the meaning of upgradation of Repository?
Teradata 
