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What is Data Vault???
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What is the difference between round-robin partitioning and hash partitioning?
how do u automate Extraction process?
how do u decide whether u need to do aggregations at database level or at Informatica level?
Compare etl & elt?
what is the advantage of persistent cache? when it should be used?
How can we use external procedural logic in informatica?
what is session partitioning?
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?
how can i text accracy of ETL migration? i am very new to data warehousing. we are writing ETL scripts using SCRIPELLA tool. how can i test the correctness of data. and we are generating reports using pentaho . is there any easy way to test the pentaho. how can test these ETL scripts written in scriptella? thanks in advance
Can anyone tell me what are the roles and responsibilities of informatica support ( L1, L2, & L3 ) Team?
1 Answers IBM, Saama Tech, Wipro,
how to join two tables without using joiner transformation .advantages of joiner over lookup and vice versa.
How many steps etl contains?
Teradata 
