Answer / Tulika Chatterjee

1. Business Intelligence and Reporting
2. Decision Support Systems
3. Online Analytical Processing (OLAP)
4. Data Mining
5. Forecasting and Predictive Analysis

what are different ways of loading data to data warehouse using oracle?

1 Answers  

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

1 Answers  

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How do you call a module named �testmod.cfm� with the parameters param1=�yes� and param2=5?

1 Answers  

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Explain what is batch and describe about types of batches?

1 Answers  

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What is a real-time data warehouse? How is it different from near to real-time data warehouse?

1 Answers  

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What is Active Datawarehousing?

1 Answers  

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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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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 hash partition?

3 Answers   TCS,

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Explain what is the difference between olap and datawarehosue?

1 Answers  

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Can you brief about the Data warehouse project you worked on?

1 Answers   Deloitte, TCS,

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How can we determine what records to extract?

1 Answers  

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