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Identifying the bottlenecks in various components of
Informatica and resolving them.
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What are snapshots? What are materialized views & where do we use them? What is a materialized view log?
how do u estimate the number of partitions that a mapping really requires? Is it dependent on the machine configuration?
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
what is a test load?
explain the methodology of Data Warehousing?(Polaries)
how do u implement configuration management in Informatica?
Difference between flat files and relational sources?
two sources S1,S2 containing measures M1,M2,M3, 4 dimensions D1,D2,D3,D4, 1 Fact F1 containing measures M1,M2,M3 and surrogate keys K1,K2,K3,K4 (a) write a sql statement to populate Fact table F1 (b) Design a mapping in Informatica for loading of fact table F1.
What is virtual Data Warehousing?
how would u estimate the size of Lookup transform data and index cache?
what is the advantage of persistent cache? when it should be used?
What are the steps involved in etl process?
Teradata 
