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Apache Derby
open-in-new
<p>Apache Derby (previously distributed as IBM Cloudscape) is a <a href="/facts/Relational_database_management_system/pEKGmJLy">relational database management system</a> (RDBMS) developed by the <a href="/facts/Apache_Software_Foundation/Xl9Tt9lE">Apache Software Foundation</a> that can be embedded in <a href="/facts/Java_(programming_language)/9ScgFyAL">Java</a> programs and used for <a href="/facts/Online_transaction_processing/zTIGyx1t">online transaction processing</a>. It has a 3.5 <a href="/facts/Megabyte/RBF4XpWb">MB</a> disk-space footprint. </p><p>Apache Derby is developed as an <a href="/facts/Open-source_software/HzTaB8E9">open source</a> project under the <a href="/facts/Apache_License/5AeIjas8">Apache 2.0 license</a>. For a time, <a href="/facts/Oracle_Corporation/0z14FygH">Oracle</a> distributed the same binaries under the name Java DB. In June 2015 they announced that for JDK 9 they would no longer be doing so. </p>