What are the etl testing operations includes?
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what is an ETL or ETT? And what are the different types?
What is a lookup table in etl?
How can you use an Oracle sequences in Informatica ? You have an Informatica sequence generator transformation also. which one is better to use?
explain the methodology of Data Warehousing?(Polaries)
what is the advantage of persistent cache? when it should be used?
how do u set partition points in the mapping?
what happens if the info.server doesn't find the session parameter in the parameter file?
Hi please try to reply with answer. my mail id is raghu.1028@gmail.com. if the source is having millions of records, but having theree target tables. As per user the first record need to insert into first target and second record in to a second target and third into third target, similarly the process needs to repeat?
what are the concerns of OLTP and DSS systems?
Explain etl?
Identifying the bottlenecks in various components of Informatica and resolving them.
Difference between flat files and relational sources?