Can Dreamfactory use any other kind of database other than MySQL to store its to store user, role, and service information?

[Im_PJ]

User registration, authentication and authorization in a different database

2.0 will let you select any SQL database to store user and role data (currently user and role data is stored in MySQL only). 2.0 will also make it easy to authenticate users with OAuth and Active Directory. Permanent login (i.e. no session timeout) will also be supported in 2.0. So you won’t have to use LDAP for any of the features above. It’s all built into the 2.0 platform. Why do you need to port the user data to DynamoDB? We’re a little behind, but 2.0 code should be public on GitHub in a …

Not possible as of now. But they promise to support this feature with DF v2.0.
And I’m eagerly waiting for that.