Identifying the bottlenecks in various components of
Informatica and resolving them.
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What is etl process. How many steps etl contains explain with example?
what is granularity in Data ware House?
what is the difference between cardinality and Nullability?
How can you use an Oracle sequences in Informatica ? You have an Informatica sequence generator transformation also. which one is better to use?
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Identifying the bottlenecks in various components of Informatica and resolving them.
What are three tier systems in etl?
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what is the difference between date cache and lindex cache?
give detail on the sales project how many number of dimensions & fact tables are used in projec briefly. how the four fact tables taken in the project.
what is the difference between cardinality and Nullability?
Teradata 
