Suppose your client wants to ensure only specific users can create reports in query studio with other users creating reports using report studio. How can this be accomplished?

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What are the possible data marts in retail sales?

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Explain the definition of normalized and denormalized view?

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What is the limit to the number of sources and targets you can have in a mapping?

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What is data analytics in simple terms?

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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 the difference between er modeling and dimensional modeling?

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what is parallel query?

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How can you clear the cache?

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Explain where do we use semi and non additive facts?

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What is operational data source (ODS)?

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How can we run the graph? What is the procedure for that? How can we schedule the graph in unix?

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