BigQuery integration in ToolJet enables developers to harness Google's serverless data warehouse for building powerful internal tools. This integration streamlines data analysis, reporting, and visualization processes, allowing teams to create custom dashboards, real-time analytics platforms, and data exploration tools. By leveraging BigQuery's massive scalability and ToolJet's low-code approach, developers can rapidly prototype and deploy enterprise-grade applications that process terabytes of data in seconds, enhancing decision-making capabilities across organizations.