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1. What is data warehousing ? 2. Why we need data warehouse?3. Differentiate between OLTP dan OLAP.4. Describe ETL process5. Discuss Modelling data warehousesa. Star

1. What is data warehousing ? 2. Why we need data warehouse?3. Differentiate between OLTP dan OLAP.4. Describe ETL process5. Discuss Modelling data warehousesa. Star schemab. Snowflake schema6. Discuss Data Mart7. What are the major components of a data warehousing process

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