Description: User management in Athena refers to the administration of user access and permissions within Amazon Athena. This tool from Amazon Web Services (AWS) allows users to run SQL queries on data stored in Amazon S3, facilitating the analysis of large volumes of information without the need to set up a database server. User management is crucial for ensuring data security and integrity, as it allows defining who can access what resources and at what permission level. Through access policies, administrators can control the actions users can perform, such as running queries, creating databases, or accessing previous query results. Additionally, integration with AWS Identity and Access Management (IAM) allows for more granular and flexible permission management, facilitating the creation of roles and user groups. This not only enhances security but also optimizes collaboration among teams, allowing different users to work on joint projects without compromising data security. In summary, user management in AWS services like Athena is an essential function that ensures controlled access to data and that operations performed on the platform are secure and efficient.