Explain the different types of data warehousing?
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Explain ddl (data definition language)?
Difference between cold fusion mx 6 and cold fusion mx 7?
Which kind of index is preferred in DWH?
Explain the structure of cold fusion?
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What is difference between Mapplet and reusable transformation?
What are data modeling and data mining?
Explain the advantages of raid 1, 1/0, and 5. What type of raid setup would you put your tx logs.
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
Can we start and stop single session in concurent bstch?
What is called dimensional modelling?
Tell me what is degree of a relation?