Do you always need to copy the data before reporting on it?(Example, real-time & on-demand reporting is a requirement)?
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Explain what are data marts?
What are the different types of fact tables used in data warehousing?
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 meet the condition 333 after we create a scd table, can we use that particular dimension as a dimension table for star schema?
In datastage can ve find the job based on source table name ??
Write a short note on data warehousing & three-Tier Warehouse architecture in detail.
What is factless fact schema?
What are the various methods of getting incremental records or delta records from the source systems?
Explain what are conformed dimensions?
what are the major three types of modeling used?
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What are vaious etl tools in the market?
why oracle is the best database for data warehousing?
what are relationships?
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Teradata 
