for data loading in oracle, what are conventional loading ,
what are conventional loading and direct-path loading?
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What is multi-dimensional analysis?
What is scd1 , scd2 , scd3?
Explain can report net connect multiple datasource at a time in report creation time?
How do you define data block size?
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.
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 informatica architecture?
What is hybrid slowly changing dimension?
Describe the differences between a data warehouse and data mart.
what is difference between scd2 and scd3
Explain the data type of the surrogate key?
if we increase the number of dimensions will the rows in fact table increase or decrease??
Teradata 
