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What is the need of etl tools?


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More Informatica Interview Questions

Define the various join types of joiner transformation?

0 Answers  


what is left outer join?

3 Answers   L&T,


hi,there is a scenario like. there are three columns empid,salmonth, sal contains the values 101,jan,1000 101 feb 1000 like twelve rows are there then my required out put is like contains 13 columns empid jan feb marc.......dec and the velues are 101 1000 1000 1000 like this . thank you

5 Answers   Patni,


what is mapping override?

2 Answers   Cap Gemini,


Create a mapping which contains 2 target tables. When the session runs for the first time it shud load Target table 1 and when it runs for second time it shud load Target table 2.

7 Answers   TCS,


What are active transformations.

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What is operational data source (ODS)?

7 Answers  


how to load dimension table and fact table. plz tell me the steps.

0 Answers   Cognizant, IBM,


what is data modelling? what are types of modelling?In which suituation will use each one?

1 Answers   Accenture,


I have a mapping loading 100 records and it failed on 20th record. how to recover it without changing anything.(in prod where we don't have any access).. (the session should should start from 21 record)

0 Answers   Saama Tech,


What is diff joiner and lookup

4 Answers   BirlaSoft,


I have table name in that I have Rajesh Reshika Priya I want the result Like only Starting with R Rajesh Reshika Can someone help me to get these results and How?

3 Answers  


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