Apache Derby
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| Original author(s) | Cloudscape Inc (Later IBM) |
|---|---|
| Developer(s) | Apache Software Foundation |
| Stable release |
10.13.1.1 / October 29, 2016
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| Development status | Active |
| Written in | Java |
| Operating system | Cross-platform |
| Type | Relational Database Management System |
| License | Apache License 2.0 |
| Website | db |
Apache Derby (previously distributed as IBM Cloudscape) is a relational database management system (RDBMS) developed by the Apache Software Foundation that can be embedded in Java programs and used for online transaction processing. It has a 2.6 MB disk-space footprint.
Apache Derby is developed as an open source project under the Apache 2.0 license. Oracle distributes the same binaries under the name Java DB.
The core of the technology, Derby's database engine, is a full-functioned relational embedded database-engine, supporting JDBC and SQL as programming APIs. It uses IBM DB2 SQL syntax.
The Derby network server increases the reach of the Derby database engine by providing traditional client server functionality. The network server allows clients to connect over TCP/IP using the standard DRDA protocol. The network server allows the Derby engine to support networked JDBC, ODBC/CLI, Perl and PHP.
An embedded database can be configured to act as a hybrid server/embedded RDBMS; to also accept TCP/IP connections from other clients in addition to clients in the same JVM.
Apache Derby originated at Cloudscape Inc, an Oakland, California, start-up founded in 1996 by Nat Wyatt and Howard Torf to develop Java database technology. The first release of the database engine, then called JBMS, was in 1997. Subsequently the product was renamed Cloudscape and releases were made about every six months.
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