Azure SQL Database Networking

Have you realised the changes Microsoft have made to the firewall and networking section of Azure SQL Database? I found this quite stealthy and took me by surprise. I did encounter an edge case scenario where it lead to issues once I made some tweaks but that was a rare thing.

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Tips and Tricks Azure Databricks

It has been a while since I posted an entry for TSQL Tuesday, which, for today is hosted by Kenneth . The subject being a non SQL Server tip. For a while now I have been using other technologies besides SQL Server and recently Azure Databricks and I have a handy tip for when starting this journey. It is not ground breaking but useful!

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Azure Databricks to Azure SQL DB

Recently I got to a stage where I leveraged Databricks to the best of my ability to join couple of CSV files together, play around some aggregations and then output it back to a different mount point ( based on Azure Storage) as a parquet file, I decided that I actually wanted to move this data into Azure SQL DB, which you may want to do one day.

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Installing SQL Server 2019 on Azure VM

Unfortunately, this is not an on-premises SQL Server install because I do not have the right operating system available for SQL Server 2019, which includes the below:

  • Windows 2016 +
  • Red Hat 7.3-7.6
  • SUSE v12 SP2+
  • Ubuntu 1.8

So, I am going to use my clicking skills and spin a Machine up in Azure utilizing the market place, so I can get an image of SQL Server installed on the VM already.

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Azure SQL Database – Error Logs?

Ok, so Azure SQL doesn’t really have its own error log based somewhere on a machine within \\MSSQL\Log directory but the closest thing you will get is a system catalog view called sys.event_log which is very useful. It will get you information about all sort of event types such as:

  • Successful connections
  • Failed connections
  • Throttling issues
  • Blocked by firewall attempts
  • Connection termination

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