What is difference between e-r modeling and dimensional modeling?
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Explain difference between data ware house & data mart?
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.
What are different stages of ?Data mining??
Why do we use DSS database for OLAP tools?
Explain techniques of error handling - ignore , rejecting bad records to a flat file , loading the records and reviewing them (default values)?
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Explain Process flow in data warehouse??
Explain difference between view and materialized view?
What is fact less fact table? Where you have used it in your project?
What is the difference between snowflake and star schema?
Explain what are components of report studio?
What is ETL process in Data warehousing?