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What is data stream and data adaopter?
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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
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Name a few sectors which use data warehousing?
Compare ?Data mining? and ?Data Warehousing??
Difference between ODS and Staging
What is the purpose of cluster analysis in data warehousing?
What is meant by metadata in context of a data warehouse?
What is metadata in context of a datawarehouse?
Explain vldb?
How many clustered indexes can you create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id 347 what is hybrid slowly changing dimension?
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What is a full backup?
Teradata 
