Explain the use of metadata in data warehousing. Discuss the different types of metadata and their roles. Provide examples of how metadata can enhance the usability, maintenance, and performance of a data warehouse.

Metadata plays a crucial role in data warehousing by serving as the data about data. It provides essential information about the structure, operations, and usage of the data warehouse, thus supporting users, developers, and administrators in understanding and efficiently managing the system. In a data warehouse, metadata is necessary for data integration, transformation, access, and analysis, making it a foundational component in both usability and performance.

There are three primary types of metadata in data warehousing: technical metadata, business metadata, and operational ___ ___ _______ __________ _______ __________ ________ ________.
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