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Berkeley DB (DB) is a high-performance, embedded database library
with C, C++, Java, Perl, Python, Tcl
and many other language bindings. DB stores arbitrary key/data pairs,
and supports multiple data items for a single key. DB can support
thousands of simultaneous threads of control manipulating databases as
large as 256 terabytes, on a wide variety of systems including most
UNIX-like and Windows systems.
Despite having a simple architecture it supports many advanced database
features such as ACID transactions, fine-grained
locking, an XA interface, hot backups and replication.
Berkeley DB is the underlying storage system of several commercial LDAP
servers, the MySQL database system, and many other commercial and
Open Source applications.
Berkeley DB is developed by Sleepycat Software. It is available with
source code under a modified BSD-style Free software license.
Developers who want to redistribute DB with proprietary applications
must license it from Sleepycat.
Berkeley DB includes compatibility interfaces for some historic UNIX
database libraries: dbm, ndbm and hsearch.
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