Backup SQL DB to azure

backupToAzure.sql

DECLARE @dbToBackup as sysname = 'AxDB'
DECLARE @container as nvarchar(50) = lower(HOST_NAME())
DECLARE @file as nvarchar(100) = @dbToBackup + N'_' + FORMAT(GETDATE(), N'yyyy-MM-dd_hhmmss') + N'.bak'
DECLARE @destUrl as nvarchar(500) = N'https://storageaccount.blob.core.windows.net/' + @container + N'/' + @file
PRINT @destUrl
BACKUP DATABASE @dbToBackup TO
  URL = @destUrl
   WITH NOFORMAT, NOINIT,  NAME = N'Ax-Full Database Backup', NOSKIP, NOREWIND, NOUNLOAD, COMPRESSION,  STATS = 10
GO

See (https://gist.github.com/matejskubic/dc1aabb5d3578a53fa32d14fc8ddcf38) for creation SQL Credention for SAS