I need to set predefined condition. How I do this?

0 Answers  

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Explain in simple terms, the concept of Data Mining.

3 Answers  

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What are the advantages of raid 1, 1/0, and 5. What type of raid setup would you put your tx logs?

0 Answers  

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What is surrogate key? Explain with examples.

0 Answers  

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What are the vaious etl tools in the market?

1 Answers  

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How can we do data cleaning?

0 Answers  

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What is difference between a connected look up and unconnected look up?

1 Answers  

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In document how to create metrics?

0 Answers  

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WHAT IS FACT LESS FACT TABLE?

6 Answers   DBS, Polaris,

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What are diagrams?

0 Answers   InfoAxon Technologies,

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What is the difference between view materialized view and view?

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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