Description: BigQuery reservations allow users to reserve a certain amount of query processing capacity for their projects. This functionality is especially useful for organizations that require consistent and predictable performance in their data analysis. By reserving capacity, users can ensure that their queries run efficiently, even during peak demand. Reservations are managed through quotas, enabling data teams to effectively plan and optimize their resources. Additionally, BigQuery reservations are scalable, meaning users can adjust the reserved capacity according to their changing needs. This feature is essential for organizations that rely on real-time data analysis and need to ensure that their operations are not disrupted by capacity limitations. In summary, BigQuery reservations are a key tool for maximizing performance and efficiency in handling large volumes of data in the cloud.