* Advanced Search - Amisalabs DDS engine leverages in-memory skip lists to perform index intersection and unioning operations to process your queries. Your queries will run incredibly fast. * Integrated Cache - Amisalabs DDS features a dynamic in-memory object cache to speed up applications. The cache is embedded into the Document Database eliminating network round-trip latency. The memory size of the cache is fully dynamic and continuously changes at runtime. * Amisalabs DDS was designed to keep all indexes in memory at all times to process queries. This service was designed for applications that need to respond to queries at extreme low latencies. * Multi Statement Transactions * Document Joins * Flexible Updates * SQL Select * Multi SQL Select

* 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.