How to pivot row data using informatica?

0 Answers  

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What is source qualifier?

2 Answers  

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Where the applications and where

0 Answers  

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if source contain 10records how you identify header and footer

2 Answers   Polaris,

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5.Explain ODS ?

3 Answers   HCL,

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Hi Guys, I have been to L& T last week ..Please find the questions mentioned below 1)Slowly changing dimension types 2)DML statement 3)DDL statement 4)write a syntax to create database 5) differences between count(*) and count(column) 6) differences between union and union all 7) what is decode 8) what is NVL 9) Arrange the values in ascending order 10,5,20,15,null 10)Primary and surrogate key 11)what is group by clause does? 12)what is difference between truncate and delete 13)what is difference between OLAP and OLTP ? 14)Architecture of Datawarehouse 15)how do you test the data validation from source as (flat file and xml) to staging tables. 16)what is shedule and time bound the mentioned above question asked in two rounds.all the best

2 Answers   L&T,

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Why should you put your data warehouse on a different system than your oltp system?

0 Answers  

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What is is a star schema?

0 Answers  

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How can you clear the cache?

0 Answers  

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Can any one explain the hierarchies level data warehousing.

0 Answers  

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What is drill-through?

0 Answers  

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Disply the dname wise maximum salary

9 Answers   Principal Finance,

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