What is a view as it relates to system modeling?
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Explain why dimenstion tables are denormalized in nature?
How to eliminate duplicate rows from flat file?
What is the difference between drill through and masterdetail reports?
What are the mapping paramaters and maping variables?
What is a core dimension?
What is a general purpose scheduling tool?
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 the types of dimension tables
Suppose you are filtering the rows using a filter transformation only the rows meet the condition pass to the target. Tell me where the rows will go that does not meetthe condition.
What is mapplet?
What is up date strategy and what are th options for update strategy?
How would you declare an inline css to format the table with a background color of yellow and give the table cell a right margin of 10 pixels?