What are the different problems that ?Data mining? can solve?


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Explain Process flow in data warehouse??

1 Answers   BirlaSoft,


why we use dmr model in cognos report studio ? give me difference between dmr model and relational model.

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Difference between cold fusion mx 6 and cold fusion mx 7?

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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,


Difference between Microstrategy and Hyperion if any one Knows kindly updated me my dear Friends

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

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What is data analytics in simple terms?

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What is Sequence clustering algorithm?

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Explain what are the various methods of getting incremental records or delta records from the source systems?

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Explain what is the difference between powerplay transformer and power play reports?

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What are the main steps to build the data warehouse?

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Which parameter specified in the default storage clause of create tablespace cannot be altered after creating the table space?

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