What is an er diagram?
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How to reduce warnings?
Ist the schema that a data warehouse system can implements.
Which is the optimized method of extracting the data.
What are aggregate tables and aggregate fact tables?
What are components of report studio?
How to stop a batch?
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 main steps to build the data warehouse?
Explain the hierarchies level data warehousing.
What is data warehouse architecture?
Can you describe me a problem you faced when you were trying to load data from R3 system and another system outside sap systems?
three ways sql*loader could load data, what are those three types?