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Answer Posted / devendra
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What are your responsibilities as an etl tester?
What are the different etl testing categories as per their function?
What is tracing level? How many types of transformations supported by sorted input?
what is the use of structures?how many nodes can u create in a structure?
What is a materialized view log?
what are the production issues in datastage?
Can there be sub steps of etl steps?
how would u estimate the size of Aggregator transform data and index cache?
What are various etl tools in the market?
can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.
how would u estimate the size of Lookup transform data and index cache?
Define Dynamic push down optmization?
How to fine tune mappings?
A mapping contains source table S_Time(stat_year,end_year) target table TIM_DIM(date,day,month,year,quarter) stored procedure transformation: A procedure has two parameters I_end_year and output parameter as O_date ,day , month, year, quarter, If this session is running, how many rows will be available in the target and why?
Identifying the bottlenecks in various components of Informatica and resolving them.
