how roll back few database on azure

Question

I have powershell script which execute sql script on few database. I need write code, which roll back all databases to a previous state, if any error occurred. How to make this mechanism? Each call powerchell script create "bacpac" file. But If I understand correct, this backup can't be roll back to exist database.

Answer 1

Look up database transactions. They are an integral part of ACID database theory. There are lots of articles about transactions, the Technet page should be decent a starting point.