Traditional SQL Server backup doesn’t apply to SQL Azure. SQL Azure have the following backup features.
Copy – Make a copy of the database on the server.
Restore – Restore a database from a point in time. Up to 7 days. Look at the “Oldest restore point” value.
Export – Create a .bacpac backup file to Azure Storage.
Database -> Make a Copy of the Database -> Export Copy of Database to Azure Storage
Make a copy of the database and then export the copy of the database to Azure storage.
-- Execute on the master database CREATE DATABASE [db01_20190222063400] AS COPY OF [db01];