TreapDB

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TreapDB
Stable release
1.1 / December 3, 2010
Written in Java
Operating system Cross-platform
Type key-value store
License Apache License 2.0
Website code.google.com/p/treapdb/

TreapDB is a kind of NoSQL data store, and it is based on Treap data structure. Treap is a randomized balanced search tree, which has O(log(n)) complexity to insert or find a key. TreapDB supports many operations besides "get" and "set". For example, "prefix foo" fetch all the pairs whose key startswith "foo". TreapDB can be used in two ways: embedded library or standalone server.[1][2][3]

TreapDB is sponsored by Sino-German Joint Laboratory of Software Integration.

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