Use the SQL Server Connector to Integrate your Database with Salesforce. Using this Connector, your can connect to, and sync your external Database with your Salesforce Org to suit your own business model and processes.
Enter the required details to connect to your Azure SQL Server. Make sure that you have included the Dataimporter IP Address in the Firewall Settings in the Azure Portal:
You can then choose from all of the columns in your Table and complete all the steps such as Mapping and Cleaning.