* Rich Admin Dashboard - View entity statistics, query your database, view indexes, and backup/restore your data. * Multiple Access Methods - Access your data via our JSON API, open-source clients, or community maintained ORMs (Objectify, NDB). * Fully Managed - Cloud Datastore is fully managed, which means Google automatically handles sharding and replication in order to provide you with a highly available and consistent database. * Diverse Data Types - Datastore supports a variety of data types, including integers, floating-point numbers, strings, dates, and binary data among others. * ACID Transactions - Ensure the integrity of your data by executing multiple datastore operations in a single transaction with ACID characteristics, so all the grouped operations succeed or all fail.

* EJDB is good for: - In-process database for standalone desktop applications. (The SQLite niche); - Games development; - Simple server-side solution; - Whenever a fast in-process data-communication with storage layer is much preferred over TCP/IP transport; * Generic key-value storage using Hash or B+ tree index. * Collection level transactions. * Mongodb-like queries and overall philosophy. * Collection joins in query language.