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RAQUEL : "Relational Algebra Query, Update and Executive Language"
The project has 2 related sets of aims.
As a language, RAQUEL is to :
1. be a pure relational algebra language (unlike SQL) as defined by Date & Darwen's "The Third Manifesto";
2. incorporate a generalised extension of the ANSI-SPARC 3-layer DB architecture;
3. have the maximum ratio of functionality to conceptual complexity (as defined by Fred Brooks).
As a DBMS, RAQUEL is to :
1. have an Open Architecture, enabling a variety of DBMS configurations of 'black box' code,...
GEQUEL is a GTK/C based frontend for the MySQL database loosely derived from an older program xsqlmenu. It can retrieve data from MySQL databases, present them in a nice browser, and allows for update,delete,insert,query,search and copy operations.
pilot-qof provides a query interface to data on a Palm device, using pilot-link and QOF - the Query Object Framework. pilot-qof supports reading addressbook, datebook, expenses and ToDo data and runs SQL-type queries on the live data or a QSF XML fil
nisql is a tool for use with MicrosoftŽ SQL Server 2000 and MSDE, to query SQL Server using Transact-SQL.
The main goal is to efficiently extract data for use with gnu tools, provided by Cygwin (http://www.cygwin.com) like gawk, bash, cut, sort, ...
Copper is a GUI tool to aid developpers using Oracle or MySQL. It presents sql query results in a table. You can select/update/insert etc. Copper supports single click updates, syntax highlighting and lets you browse your tables and columns.