Explain what are the mapping paramaters and maping variables?

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Explain the difference between dw and bi?

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What is the extension of file to save template?

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What is difference between Business Objects and Hyperion Essbase? Please help me

1 Answers   Cap Gemini, TCS,

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Explain me what is vldb?

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What are the design methods of data warehousing?

0 Answers  

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How to add a number to a macro variable?

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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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Explain how to get the first 100 rows from the flat file into the target?

0 Answers  

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Tell me one example for junk dimension?

9 Answers   TCS,

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The same tier?

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What is factless fact tables?

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