Design a data warehouse schema for a retail company. Include fact tables, dimension tables, and consider the star schema and snowflake schema designs. Justify your design choices and discuss how your schema supports efficient query processing and business intelligence needs.
In designing a data warehouse schema for a retail company, the primary goal is to support efficient analysis of sales, inventory, and customer behavior. A data warehouse typically integrates data from various operational systems into a centralized repository for decision support and business intelligence. The schema design involves defining fact and dimension tables, and choosing between star schema and snowflake schema based on requirements such as simplicity, query performance, and normalization.
Fact Table:
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