Explain differences between star and snowflake schemas?
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DWH architecture?
which automation tool is used in data warehouse testing?
How many different schemas or dw models can be used in siebel analytics. I know only star and snow flake and any other model that can be used?
What is the difference between olap and oltp?
Explain is olap databases are called decision support system true/false?
What is ods (operation data source)?
Explain is fact table?
what is data validation strategies for data mart validation after loading process
What function should we use to display the value entered or selected by a user in response to a prompt?
Can you pass sql queries in filter transformation?
Database in use is oracle?
What is BCP?