Bill Fellows shows why it’s useful to include annotations in your Biml scripts:
In many of the walkthroughs on creating relational objects via Biml, it seems like people skim over the Databases collection. There’s nothing built into the language to really support the creation of database nodes. The import database operations are focused on tables and schemas and assume the database node(s) have been created. I hate assumptions.
Read on for more about dealing with databases, and not just tables and other database objects, in Biml.