913aca9a_ent_repository___Henri_Bergius__CouchDB
[feature] workspaces [JCR / Jackrabbit] Workspaces provide separate root trees. [Midgard] No workspaces support in Midgard 9.03, coming in next version [CouchDB] 
Multiple databases within one CouchDB instance
What is a content repository - Henri Bergius
CouchDB