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Database Administration involves managing and maintaining databases, ensuring their performance, integrity, and security. In the context of Data Integration, it focuses on organizing data from different sources into a unified system, making it accessible and useful for various applications. It encompasses tasks like database design, configuration, migration, optimization, backup, and recovery. This aligns with the broader categories of Technology, Data Science, and Data Integration, as it leverages technology to handle complex data structures, applies scientific methods to extract insights, and integrates data from diverse sources.