What is surrogate key? Where we use it? Explain with examples.
No Answer is Posted For this Question
Be the First to Post Answer
Explain what are the advantages of query studio compared to report studio?
What are the different models used in cluster analysis?
Explain what are the different types of join operations?
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 the difference between narmal load and bulk load?
ware house management system is used?
What are the advantages of raid 1, 1/0, and 5. What type of raid setup would you put your tx logs?
How would you write a simple stored procedure in tsql which takes a movie_id and returns all the directors associated with it?
Explain what is type 2 version dimension?
What are the design methods of data warehousing?
Suppose we want to display zero when null values coming to report how can we do that?
What is the function of etl when used in data warehousing?