Answer / shekar

IQD means Impromptu queru defeniton it is a data source to
create cube in powerplay user multidimesniol viewings

Explain what is real time data-warehousing?

0 Answers  

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how to calculate sum(sal) with out using aggregator satge

3 Answers   HSBC,

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1.WHAT IS DATA MART ?

5 Answers   HCL,

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What is the difference between an ODS and a W/H?

1 Answers   Barclays,

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Explain datawarehousing?

0 Answers  

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How to load the time dimension?

0 Answers  

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Database in use is oracle?

0 Answers  

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What is surrogate key? Where we use it explain with example?

0 Answers  

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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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What are the types of partitioning?

0 Answers  

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Can any one explain the hierarchies level data warehousing.

0 Answers  

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Is it possible to have more than one row on the same table with the same foreign key?

2 Answers  

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