DuroDBMS

Relational database management system and programming language

Deutsch

DuroDBMS is a relational open-source database management system. It is based on the principles laid down in the book Databases, Types, and the Relational Model: The Third Manifesto by C. J. Date and Hugh Darwen.

DuroDBMS is published under the terms of the GNU Lesser General Public License.

Current Release

The current release of DuroDBMS is 1.7, released on 2019-Dec-23. Some features:

• Tuples and tables (relvars)
• Relational algebra: RENAME, WHERE, project, EXTEND, JOIN, SEMIJOIN, UNION, INTERSECT, MINUS, SEMIMINUS, SUMMARIZE PER, (small) DIVIDEBY PER, WRAP, UNWRAP, GROUP, and UNGROUP
• Virtual tables (views)
• Generalized transitive closure (TCLOSE)
• Locking and nested transactions
• DuroDBMS tables are true sets – uniqueness of tuples (rows) is always enforced.
• User-defined types (including type constraints) and operators
• Declarative integrity
• Java interface, including support for user-defined operators implemented as Java methods.
• Tcl interface
• Simple GUI admin tool
• Interpreter for a dialect of the Tutorial D language

Download DuroDBMS 1.7

DuroDBMS project page

GitHub mirror

DuroDBMS is implemented on top of the Berkeley DB database library. Berkeley DB is available under a dual license. Alternatively, PostgreSQL or FoundationDB can be used.

Documentation

• Doxygen API docs
• Duro D/T Tutorial
• DuroDBMS expression syntax
• DuroDBMS statement syntax
• Utilities
• Java interface
• Tcl interface
• FastCGI support
• Migrating data from older versions

Related Links

• The Third Manifesto Website
• Dreisam – an MVC web application framework based on DuroDBMS

Other programming languages

Nidurodb – DuroDBMS API for Nim

René Hartmann <rhartmann@users.sourceforge.net>

Updated 2019-Dec-23