Couchbase Query Language, known as N1QL and pronounced "Nickel", is a query language for finding data in Couchbase Server. N1QL is designed to be human readable and writable. It is a language designed for ad-hoc querying. The query language is a standard semantic used to build querying ability in other databases.
FoundationDB is a new generation of NoSQL database. It's the first to provide scalability <em>and</em> multi-key ACID transactions. Its ordered key-value core can be adapted to expose a broad range of data models and capabilities. Build your application on a better foundation.