What is MODEL is Data mining world?
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What are components of reportnet?
How to stop a batch?
Where we use surrogate key explain with example?
What is a junk dimension? What is the difference between junk dimension and degenerated dimension?
What are the tools available for etl?
what are different storage options supported by oracle ?
Where can one get more info about Data Warehousing?
Code the tables statement for a single-level (most common) frequency?
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
What is degenerate dimension table?
Explain what are non-additive facts?
What are the advantages of raid 1, 1/0, and