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This is also something I'm curious about, particularly how migrations are managed within a team. Most of the solutions I've seen require writing plain SQL in migration files which you name yourself. It's simple but I miss the productivity of DjangoORM or ActiveRecord for example. Or do most people use a schema-less database?

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Most functional languages don't really go for any ORM. It's usually considered a cumbersome abstraction for relational databases. Clojure makes it really easy to use SQL directly with the java.jdbc package [1], or through some helper library like SQL Korma [2]. There are also several migrations libraries you can use [3].

It takes a bit of getting used to coming from an ORM, but you'll love the lack of overhead soon enough :)

[1] http://clojure.github.io/java.jdbc/

[2] http://sqlkorma.com/

[3] http://www.luminusweb.net/docs/migrations.md

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