Explain me ETL project architecture in Detail?
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working of line item dimension......pls,tell overall flow
tell me few points when u become TL
Difference between flat files and relational sources?
Explain what is etl process? How many steps etl contains explain with example?
Explain the difference between etl tool and olap tools?
State the differences between shortcut and reusable transformation
What do you understand by the term ‘transformation’?
What is meant by incremental load?
Explain do we need an etl tool?
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?
Identifying the bottlenecks in various components of Informatica and resolving them.
Define slowly changing dimensions (SCD)?