An early preview of database migration services, allowing Oracle and SQL Server applications to be more-easily shifted to Azure, is also part of today's Build keynote.

Here's the deal: I have a database with table called Categories. Categories has a parent-child relationship in them.

SQL Server 2016 and Azure SQL Database both give you tables that automatically keep track of changes to your data. Here's how to both create those tables and alter existing tables so they track the ...