How many steps etl contains?
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how do use session mapping parameters ?(in which transformation)
What is staging area referring to?
Can anyone tell me what are the roles and responsibilities of informatica support ( L1, L2, & L3 ) Team?
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What is the difference between Data Warehousing and Data Mining?
what are Lookup caches options? Including persistent caches.
how do u really know that paging to disk is happening while u are using a lookup transform?
what is the difference steps for data modeling?
When do we analyze the tables?
what is the use of server manager?
what is an ETL or ETT? And what are the different types?
what is architecture of your datastage project??? i came across this question many times in interviews in specific what can i answer plz help me.