What is dimensional modelling?
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how can one connect two fact tables ? is it possible ? how?
What Oracle tools can be used to design and build a W/H?
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
How can you implement many relations in star schema model?
Why fact table is in a normal form?
In microstrategy, how can we direct the sql generated to use a specifc table?
Explain some of modeling tools available in the market?
Do you view contain data?
What is the difference between static cache and dynamic cache?
What are the reasons to use a chameleon method in data warehousing?
what are the different views that are considered when building an object-oriented software system?
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