InfluxDB and Grafana are key tools for managing and visualizing time series data, often used together to create insightful dashboards. Users must choose from three query languages—InfluxQL, SQL, and Flux—each offering distinct capabilities and suited to different needs based on the InfluxDB version and user expertise. InfluxQL is SQL-like and familiar to many, SQL has been enhanced with the FlightSQL plugin for broader relational database compatibility, and Flux, a functional scripting language, offers extensive functions for data manipulation. Grafana dashboards can effectively utilize these languages to visualize data, such as U.S. electricity metrics, through various chart types and Grafana transformations. Each language has unique syntax requirements for tasks like aligning time ranges and using template variables, while also providing different aggregation capabilities. Ultimately, the choice of language depends on the specific data analysis requirements and the version of InfluxDB being used.