What are the stages that are required in data warehousing?
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What is data cleaning? How can we do that?
Difference between ODS and Staging
Explain meta data?
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.
Where the applications and where ware house management system is used?
In datastage can ve find the job based on source table name ??
What are the difference between snow flake and star schema? What are situations where snow flake schema is better than star schema to use and when the oppositeis true?
How Materialized Views are linked with Oracle DataWare house?
What is execution plan?
What is aggregate fact table?
Why we use repository connectivity?
What is recovering sessions?