| Other ETL Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| 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 |
| Difference between flat files and relational sources? | | 1 |
| 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 |
| Which type or t/s is used to convert rows into column &
column into rows | Infosys | 6 |
| what is the difference between OLTP database and data
warehousing database? | | 1 |
| what is SMP AND MPP? | | 2 |
| How can write SQL Overwrite to get Daynamic rows from the
source in SQ transformation!(Any Example) | | 1 |
| what are variable ports and list two situations when they
can be used? | Satyam | 3 |
| what are the facilities provided by OLAP to analytical users? | | 1 |
| if u can't find what you are looking for in lookup table,
how do you handle? | | 1 |
| can Informatica be used as a cleansing tool? If yes, give
examples of transformations that can implement a data
cleansing routine. | | 1 |
| When you have 2 servers in two different time zone and if
you need to extract data from 1 server and load it in
another server, how do you go about it? Best method to be
used. | | 3 |
| how do u set the size of block buffer? | | 1 |
| Hello all,
Source Table(Flat File):- Target Table(Flat File):-
Date Date
01/08/2008(DD/MM/YYYY) 01/08/2008
02/08/2008
03/08/2008
04/08/2008
05/05/2008
My requiremnt is this. I need to do it by informatica,Plz
tell me how can i do it?
Thanks
| | 3 |
| what is meant by drill through?(Mascot) | | 1 |
| Eliminating of duplicate records without using dynamic lookups | | 2 |
| how to join two tables without using joiner transformation
.advantages of joiner over lookup and vice versa. | | 1 |
| what is the indicator file and where it is used? | | 1 |
| what are the different Reporting and ETL tools available in
the market? | | 1 |
| what is the meant by Normalization and de-normalization? | | 1 |
| |
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