!BOOK ArangoDB Documentation

Welcome to the ArangoDB documentation!

The documentation introduces ArangoDB for you as an user, developer and administrator and describes all of its functions in detail. 

ArangoDB is a multi-purpose, open-source database with flexible data models for documents, graphs, and key-values. Build high performance applications using a convenient SQL-like query language or JavaScript extensions. Use ACID transactions if you require them. Scale horizontally and vertically with a few mouse clicks.

Key features include:

* **Schema-free schemata** let you combine the space efficiency of MySQL with the performance power of NoSQL
* Use ArangoDB as an **application server** and fuse your application and database together for maximal throughput
* JavaScript for all: **no language zoo**, you can use one language from your browser to your back-end
* ArangoDB is **multi-threaded** - exploit the power of all your cores
* **Flexible data modelling**: model your data as combination of key-value pairs, documents or graphs - perfect for social relations
* Free **index choice**: use the correct index for your problem, be it a skip list or a fulltext search
* Configurable **durability**: let the application decide if it needs more durability or more performance
* No-nonsense storage: ArangoDB uses all of the power of **modern storage hardware**, like SSD and large caches
* **Powerful query language** (AQL) to retrieve and modify data 
* **Transactions**: run queries on multiple documents or collections with optional transactional consistency and isolation
* **Replication** and **Sharding**: set up the database in a master-slave configuration or spread bigger datasets across multiple servers
* It is **open source** (Apache Licence 2.0)

In this documentation you can inform yourself about all the functions, features and programs ArangoDB provides for you. 

If you want to test the shell go [here](https://www.arangodb.com/shtutorial/).

If you want to play with our query language, go to our [AQL Tutorial](https://www.arangodb.com/aqltutorial/).

!SUBSECTION Community

If you have any questions don't hesitate to ask on:

- [github](https://github.com/triAGENS/ArangoDB/issues)
- [google groups](https://groups.google.com/forum/?hl=de#!forum/arangodb)
- [stackoverflow](http://stackoverflow.com/questions/tagged/arangodb)

We will respond as soon as possible.