What is the difference between olap and datawarehosue?
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Explain what is type 2 version dimension?
how can one transfer LOB and user defined data from oracle to warehouse using ETL informaticabecause
What is hybrid slowly changing dimension?
How to export mappings to the production environment?
Who needs data warehousing?
How many clustered indexes can u create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id.
Can you describe me a problem you faced when you were trying to load data from R3 system and another system outside sap systems?
Explain what is metadata reporter?
What needs to be done while starting the database?
Are facts same as metrics and dimensions same as measures? If not , please tell the difference?
Explain what is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?
Explain er diagram?
Teradata 
