The move adds Berkeley DB to Oracle's embedded database product line which includes Oracle Lite for mobile devices and Oracle TimesTen for high performance in-memory database applications.
Oracle claims that Sleepycat's Berkeley DB is the most widely used open source database in the world with deployments estimated at more than 200 million.
Berkeley DB is distributed under a dual-licence model, either under a public or a commercial licence.
Linux and BSD Unix operating systems, Apache Web Server, OpenLDAP directory, OpenOffice productivity software, and many others embed Berkeley DB technology.
Sleepycat's products enhance Oracle's database lineup by offering enterprise-class support to customers that need to embed a low cost database, according to Andrew Mendelsohn, senior vice president at Oracle Database Server Technologies.
Mike Olson, chief executive at Sleepycat, stated that its products, customer base and business model fitted with "complementary technology and resources" from Oracle.
Carl Olofson, a research vice president at analyst firm IDC, said: "The embedded database market was projected last year to be just over $2bn in 2005 and forecasted to grow to over $3.2bn by 2009.
"This market is very diverse, and the technologies tend to be specialised. Berkeley DB complements Oracle TimesTen and Lite, allowing Oracle to address a broad range of segments within the embedded DBMS market."
Terms of the transaction were not disclosed.
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