Explain techniques of error handling - ignore , rejecting bad records to a flat file , loading the records and reviewing them (default values)?

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Explain what are the advantages of query studio compared to report studio?

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What is the difference between narmal load and bulk load?

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What are Non-additive facts?

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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 a junk dimension? What is the difference between junk dimension and degenerated dimension?

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Explain are data mart and dwh normalized or denormalized? Do both of them exist in

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What is VLDB?

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What is the difference between datawarehouse and bi?

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what are confirmed dimension? We alwys give date as a conformed dimension but if it has different format for different contries say YYMMDD for italy and MM-DD-YYYY for france.Then are they not confirmed.

4 Answers   IBM, MAHINDRA, Tech Mahindra,

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What a static and local variable?

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What are the fundamental elements of the data warehouse?

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