Azure SQL Managed Instance is fully-managed SQL Server Database Engine hosted in Azure cloud. With Managed Instance you can easily add/remove cores associated to the instance and change the reserved size of the instance. You can use Azure CLI to easily manage size of the instance and automate this process. The Azure CLI is Microsoft’s... Read more

https://blogs.msdn.microsoft.com/sqlserverstorageengine/2018/11/14/modify-azure-sql-database-managed-instance-using-azure-cli/