| Other ETL Interview Questions |
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| Question | Asked @ | Answers |
| |
| Where can i get informatica certification Exam dumps and
details? please forward it to emailid: krisboppana@yahoo.com | NexGen | 157 |
| what is the difference between OLTP database and data
warehousing database? | | 2 |
| In the SEQ generator which property has to be set to
generate seq No. when the input data is more than the max
limit. | Accenture | 3 |
| what is a parameter when and where do u them when does the
value will be created. Designing time, run time. If u don't
create parameter what will happen? | | 1 |
| how do u implement scheduling in Informatica? | | 1 |
| can Informatica be used as a cleansing tool? If yes, give
examples of transformations that can implement a data
cleansing routine. | | 1 |
| what are the different forms of normalization? | | 2 |
| how to join two tables without using joiner transformation
.advantages of joiner over lookup and vice versa. | | 1 |
| list the transformation used for the following:Heterogeneous
sources,Homogeneous sources,Find the 5 highest paid
employees with in a dept,create a summery table,generate
surrogate keys | | 1 |
| what are the different Reporting and ETL tools available in
the market? | | 2 |
| what is the difference between OLTP database and data
warehousing database? | | 1 |
| Eliminating of duplicate records without using dynamic lookups | | 2 |
| how do u set the size of block buffer? | | 1 |
| what are Lookup caches options? Including persistent caches. | | 1 |
| what happens if the info.server doesn't find the session
parameter in the parameter file? | | 2 |
| what is the meant by Normalization and de-normalization? | | 1 |
| what are variable ports and list two situations when they
can be used? | Satyam | 3 |
| Eliminating of duplicate records without using dynamic lookups | IBM | 3 |
| if u can't find what you are looking for in lookup table,
how do you handle? | | 1 |
| how do u automate Extraction process? | | 1 |
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