Relational Database Structure

PyORQ (Python Object Relational binding with Queries) implements persistence for Python objects using a relational database (RDBMS, e.g. PostgreSQL MySQL) for storage. The innovative aspect of PyORQ is the use of Python expressions to denote queries which can be automatically translated into SQL...

Joe Celko Nested Sets is meant to manage tree database structure using Jeo Celko's nested sets approach.You can add node with 7 queries, delete a node with subnodes with 4 queries and move node with 11 queries.The number of queries per action does not depend on the number of sub-nodes, so it is a...

solidDB for MySQL is an open source relational database management system (RDBMS) that consists of MySQL Server and solidDB Storage Engine for MySQL.


Platforms: *nix

HSQLDB is the leading SQL relational database engine written in Java. hsqldb Database Engine has a JDBC driver and supports a rich subset of ANSI-92 SQL (BNF tree format) plus SQL 99 and 2003 enhancements. It offers a small (less than 100k in one version), fast database engine which offers both...


Platforms: *nix

Mckoi SQL Database is an opensource relational database management system written in Java. It supports a useful subset of ANSI SQL-92 including transactions. The software can run as either a dedicated multi-client, multi-threaded database server or as an embedded database within a Java...

dBworx is a small but versatile relational database program -- simple yet easy to work with. Create your own files to keep track of almost any type of information. dBworx can handle a variety of field types including: * Alphanumeric * Numeric (with any number of decimal places) *...


Platforms: Windows

LEAP is a free Relational Database Management System. It is designed as an educational tool to help students, and assist researchers and teachers. It is as an implementation of the Relational Algebra: It doesn't support SQL, so it's not like Oracle, PostgreSQL, Sybase or MySQL. The relational...


Platforms: *nix

XML schema to specify relational database administration and operations. Uses XML, XSLT stylesheets and Java code to allow applications to use advance features of databases and have complex queries without being tied to a specific relational database.


Platforms: Windows, Mac, Linux

An implementation of a truly relational database language with Python. Inspired by Date and Darwen's 'Third Manifesto'.


Platforms: Windows, Mac, Linux

Emacs Photo Database package provides a front-end for a relational database to store the film, negative, and print information of photographers who prefer silver-based films and papers over digital imaging. Here are some key features of "Emacs Photo Database": ?*A* suitable for 35mm, medium...


Platforms: *nix

HSQLDB is a relational database engine written in Java, with a JDBC driver, conforming to ANSI SQL:2008. A small, fast, multithreaded engine and server with memory and disk tables, LOBs, transaction isolation, multiversion concurrency and ACID.


Platforms: Windows, Mac, Linux

Provides a uniform web-based interface to different Relational Database Management Systems. Written in Java with JSP's and servlets. Based on phpMyAdmin's interface.


Platforms: Windows, Mac, Linux

rdb2oo is a project to create source code for classes which correspond to tables in a relational database.rdb2oo is also about creating an object oriented abstraction layer for simple database access.


Platforms: Windows, Mac, Linux

SmallSQL is a 100% pure Java DBMS, a relational database for Java desktop applications. It has a JDBC 3.0 interface and offering many ANSI SQL 92 and ANSI SQL 99 features. It is very small and fast Java library. It does not have a network interface.


Platforms: Windows, Mac, Linux

Duro is a relational open-source database library written in C. 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. The goal of the Duro project is to create a library which is as compliant with the...


Platforms: Windows, Mac, *nix, C/C++, BSD Solaris

Dee Module implements a truly relational database language using Python.


Platforms: Windows, Mac, *nix, Python, BSD Solaris

DB Converter is a windows based application that converts (at the moment) database structure from MS Access to Oracle and PostgreSQL compatible SQL.It will also convert to MySQL compatible SQL with the added options of converting to a PHP script.


Platforms: PHP

HSQLDB (HyperSQL DataBase) is the leading SQL relational database engine written in Java. It has a JDBC driver and supports nearly full ANSI-92 SQL (BNF format) plus many SQL:2008 enhancements. It offers a small, fast multithreaded and transactional database engine which offers in-memory and...


Platforms: *nix

Basset::Object::Persistent is a subclass of Basset::Object that allows objects to be easily stored into a relational database. Presently only supports MySQL, but that may change in the future. SYNOPSIS (no synopsis, this is an abstract super class that should never be instantiated directly,...


Platforms: *nix

PyDBDesigner is a free relational database modeling tool that is planned to be able to design both logical and physical models similarly to Erwin(c) and PowerDesigner. Its goal is to provide a useful toolset that allows developers analysts and database designers to design and develop databases...


Platforms: *nix