Explain the concept of a data warehouse and its role in business intelligence Describe the process of extracting, transforming, and loading (ETL) data from various sources into a data warehouse Discuss the design of a star schema for sales data analysis and write SQL queries to generate a report sh...

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Explain the concept of a data warehouse and its role in business intelligence. Describe the process of

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Explain the concept of a data warehouse and its role in business intelligence. Describe the process of extracting, transforming, and loading (ETL) data from various sources into a data warehouse. Discuss the design of a star schema for sales data analysis and write SQL queries to generate a report showing monthly sales trends and customer buying patterns.