Drupal's upgrade mantra has always been "we will break your code but we won't break your data" and for that reason, Drupal core and contrib maintainers typically spend a lot of time and effort in providing upgrade paths for your data so you can th

Step by step of this painful process

Converting an existing Drupal site to MongoDB

Drupal's main draw is that it gives you the power to do an insane amount of work with zero coding. This is both its blessing and its curse.

The blessing