Explain me what are data marts?
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How do you define data block size?
What are the reasons to use a chameleon method in data warehousing?
Which component has onread method and what it is used for?
Suppose your client wants to ensure only specific users can create reports in query studio with other users creating reports using report studio. How can this be accomplished?
Explain about core dimension,
Explain what is metadata reporter?
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 are situations where snow flake schema is better than star schema to use and when the opposite is true?
What are components of report studio?
what is parallelism?
Explain what are non-additive facts in detail?
Explain when do we analyze the tables? How do we do it?