Azure SQL Database business continuity
So far, you have your database up and running on the cloud, and you can even connect to it, create, delete, and update the tables as you wish.
I think that should satisfy most of your needs, but since a database is something critical and you need to make sure that it will not be lost if corruption occurs, you will need to take some backups.
Unfortunately, when you check the database blade, you will notice that backup is not mentioned in the blade, as shown in the following screenshot:

Figure 4.16: Azure SQL Database blade settings
How business continuity works for Azure SQL Database
Microsoft does its best to address any issues that might occur with Azure SQL Database, and it provides the following solutions for this purpose.
Hardware failure
Hardware failure is something that is expected to happen, but it will not be the reason you lose your databases.
Just as there is replication provided for storage, as mentioned in Chapter 1, Understanding Azure Storage...