Explain the definition of normalized and denormalized view?

0 Answers  

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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.

0 Answers   IBM,

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What is the difference between narmal load and bulk load?

1 Answers  

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Hierarchy of DWH?

2 Answers   Accenture, EDS, IBM, iFlex, TCS,

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Hi, Could any one tell me which schema (star and snow flake schema) will take much space? Thanks S.A.K

6 Answers   Accenture, IBM, TCS,

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What are the data marts?

0 Answers  

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Difference between e-r modeling and dimentional modeling?

0 Answers  

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How would you write a left join statement to return a result set of movie.title�s and director.name�s?

0 Answers  

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Can we have multiple application.cfm file in an application?

0 Answers  

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Suppose if a session fails after loading of 10,000 records in to the target.how can you load the records from 10001 the record when you run the session next time?

0 Answers  

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Explain what are the modules in power mart?

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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