What is the definition of cube in datawarehousing?

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What is fact less fact table? Where you have used it in your project?

0 Answers  

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In microstrategy, how can we direct the sql generated to use a specifc table?

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 is data analysis?

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how can one connect two fact tables ? is it possible ? how?

8 Answers   ABC, Oracle, Patni,

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What is Time Series algorithm in data mining?

2 Answers  

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What is operational data store (ods)?

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Which is the optimized method of extracting the data.

3 Answers  

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Which columns go to the fact table and which columns go the dimension table?

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What is the extension of file to save template?

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Explain in simple terms, the concept of Data Mining.

3 Answers  

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