MySQL | Grafana Labs
https://grafana.com/docs/grafana/latest/datasources/mysqlOpen the side menu by clicking the Grafana icon in the top header. In the side menu under the Dashboards link you should find a link named Data Sources. Click the + Add data source button in the top header. Select MySQL from the Type dropdown. Data source options Min time interval A lower limit for the $__interval and $__interval_ms variables.
MySQL | Grafana Labs
grafana.com › docs › grafanaFrom Grafana 4.3.0 to 4.6.0, template variables are always quoted automatically so if it is a string value do not wrap them in quotes in where clauses. From Grafana 4.7.0, template variable values are only quoted when the template variable is a multi-value.