Compare ETL & Manual development?
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how would u estimate the size of Aggregator transform data and index cache?
what make u disappointmnets in u r career
Explain about enterprise scalability and roi of data integration suite?
Identifying the bottlenecks in various components of Informatica and resolving them.
what are Lookup caches options? Including persistent caches.
explain the methodology of Data Warehousing?(Polaries)
What are materialized views & where do we use them?
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?
Can there be sub steps of etl steps?
What is fact? What are the types of facts?
what is the difference between normal & bulk loading? and which one is recommended ? why?
Explain the key challenges that you face while performing etl testing.