Difference between e-r modeling and dimentional modeling?
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What are the mapping paramaters and maping variables?
Which is the optimized method of extracting the data.
Explain the main differences between star and snowflake schema?
How did you plan your Data ware house project?
Explain what are the methodologies of data warehousing?
Can you pass sql queries in filter transformation?
How can you set the client management?
What is bi?
What is operational data source (ODS)?
What is drill-through?
How Materialized Views are linked with Oracle DataWare house?
Explain what is the difference between datawarehouse and bi?