Most RecentMost ViewedMost LikesUsing the Heimdall Proxy to Split Reads and Writes for Azure Databases A write-master with read replicas are used to efficiently distribute SQL traffic. This requires costly application changes. The Heimdall proxy supports read/write split without code changes in Azure. Lesson Learned #46: Showing hidden Azure SQL Database types in the PortalFirst published on MSDN on May 08, 2018 During these last days, I have been working on some cases that our customers are able to see master database where before they didn't see it.