* Elastically scalable throughput and storage: Easily scale up or scale down your DocumentDB JSON database to meet your application needs. Your data is stored on solid state disks (SSD) for low predictable latencies. * Multi-region replication: DocumentDB transparently replicates your data to all regions you've associated with your DocumentDB account, enabling you to develop applications that require global access to data while providing tradeoffs between consistency, availability and performance, all with corresponding guarantees. * Ad hoc queries with familiar SQL syntax: Store heterogeneous JSON documents within DocumentDB and query these documents through a familiar SQL syntax. DocumentDB utilizes a highly concurrent, lock free, log structured indexing technology to automatically index all document content. * JavaScript execution within the database: Express application logic as stored procedures, triggers, and user defined functions (UDFs) using standard JavaScript. This allows your application logic to operate over data without worrying about the mismatch between the application and the database schema. * Fully managed: Eliminate the need to manage database and machine resources. * Tunable consistency levels: Select from four well defined consistency levels to achieve optimal trade-off between consistency and performance.

* Built for Speed - OrientDB was engineered from the ground up with performance as a key specification. It is fast on both read and write operations. On writes, it can store up to 120,000 records per second*. * No More Joins - OrientDB can embed documents like any other document database, but also supports relationships. It doesn’t use the costly JOIN. Instead, OrientDB uses super-fast, persistent pointers between records, taken from the graph database world. You can traverse parts of or entire trees and graphs of records in just a few milliseconds. * Unmatched Flexibility - Replacing your DBMS, once it no longer meets requirements, can be a huge cost in time and resources. * Zero-Configuration Multi-Master Architecture - OrientDB supports a Multi-Master + Sharded architecture, so all the servers are masters. This provides horizontal scalability and reliability. * Elastic Linear Scalability - With a master-slave architecture, the master often becomes the bottleneck. With OrientDB, throughput is not limited by a single server. * Easy to Install and Use - OrientDB is written entirely in Java and can run on any platform without configuration and installation. It’s a drop in replacement for the most common existing graph databases in deployment today.