Explain hybrid slowly changing dimension?
No Answer is Posted For this Question
Be the First to Post Answer
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 one transfer LOB and user defined data from oracle to warehouse using ETL informaticabecause
What is a Decision Tree Algorithm?
What is many-to-many dimensional model in datawarehousing ?
Explain swot analysis?
Suppose a null dataset with 10 variables; I want to print only name of the varibales in log window and also output window. How can we do this one?
What is cubes?
List down some of the real time data-warehousing tools?
What is dimensional modelling?
What are the design methods of data warehousing?
After the complete generation of a report who will test the report and who will analyze it?
Explain clearly how to explain any (sales) project in interview. Actually feom where report developer work starts?pls reply as soon as possible?