Managing large lists of symbols with Grafana variables and QuestDB

QuestDB, an open-source database optimized for market data, offers high ingestion throughput, advanced SQL analytics, and efficient hardware usage, making it ideal for managing tick data. When combined with Grafana, a tool known for its customizable dashboards, users can create dynamic, real-time visualizations of financial data such as foreign exchange rates. The process involves setting up Grafana with QuestDB, using the ECB historical FX rates dataset as an example. The tutorial demonstrates how to create dynamic dashboards by leveraging Grafana's custom variables and query-based variables to handle large symbol lists without manual intervention. This approach enables automatic adjustments in dashboards when new data is added, enhancing the scalability and efficiency of market data analysis. The guide illustrates importing data into QuestDB, creating a schema, and using SQL queries to generate dynamic lists, leading to a more flexible and adaptive monitoring system.