1m if your data is written every minute.
			
			The database user should only be granted SELECT permissions on the specified database & tables you want to query.
			Grafana does not validate that queries are safe so queries can contain any SQL statement. For example, statements
			like USE otherdb; and DROP TABLE user; would be executed. To protect against this we
			Highly recommmend you create a specific MSSQL user with restricted permissions.