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SQLcoach provides a web platform to learn SQL, the common query language for databases. An example application is available unter: http://sqlcoach.informatik.fh-kl.de
PHP & Perl classes to query eXist XML:DB.
A set of classes, implemented in both PHP and Perl, that allows to query the XML:DB using the XQuery language.
Connection with eXist is done through a SOAP interface, using a WSDL defintion.
OpenRolap: an implementation of OLAP in a relational database. Conceptually simple, the current version is in MySQL, with a Java API. The API aims to avoid complex MDX-type language, instead to use a simple "filter path" structure.
KML is a knowledge base with support of logical modeling. Advanced model is used to represent knowledge as a set of statements similar to natural language sentences. This project hosts a set of model storage library and server (vrb-ols) and clients.
Java and ColdFusion libraries to lookup country code and language from IP address. It uses a local copy of the WHOIS database to perform fast, accurate lookups of country codes. Useful for log analysis, internationalization, geolocation, etc..
Free open source software for the Universal Business Language and the ebXML framework including XSLT stylesheets to generate XForms for creating, editing and viewing UBL and ebXML documents, along with CAM templates for validating and error processing.
MilkCrate utilizes a new open-source markup language for tabular musical notation, and a unique wiki-styled web interface for data input. Users may generate a number of different document types to view the tabular notation, including .png, and PostScript
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DSQL ("Dynamic" SQL) is a scripting language for SQL, aka Perl for JDBC. It allows rapid development of code to perform database programming, data warehousing and import/export from databases, XML, Excel, etc.
Wets is a very flexible ETL which can handle data coming from text file / XML / MySQL / postgreSQL and Zope server and because of the language associated there is no limitation concerning the transformation process. See the drop project for a GUI.
Phlap is a web frontend to manage Postfix+OpenLDAP. In fact, it's a simple ldap-browser which looks like an email account manager. It's build on PHP and it's gonna be multi-language and end-user oriented
PHP Choral Music Library is an application written in PHP and using MySQL to help musicians create and maintain a library of sheet music. It has multiple language support and supports a library which exists as a group of separate collections.
An implementation (parser/interpreter) of SPARQL, a query language for RDF data that is the current recommendation of the W3C. Allows easy cusomization of the language and plugs in to several popular RDF servers, like Sesame.
OpenFakt is an open source Java invoicing and billing system using XML definition files for various forms (address book, articles, invoices, stock management). It is language, database and platform independent and aims at small to big companies.
DORM4J (Dynamic Object-Relational Mapping for Java) is an O/R Mapping library for java. It uses annotation in jdk1.5 and dynamic feature of java language to implement O/R mapping function without additional XML config files.
A Prolog expert system supporting querying and extending the knowledge base from a command-line interface using a format oriented on natural language, with the aim of being maintainable by the domain expert (i.e. without requiring programming skills).
Kura is a complete, professional system for the handling of linguistic data, especially fieldwork data from small-corpus languages. It allows users to enter texts in any language and analyze those texts
JudoScript is a general-purpose, Java scripting, multi-domain scripting tool/language. It combines the powers of declarative scripting for many modern tasks and general object/procedural programming. It is simple, intuitive, practical and powerful.
Wrapper library for adding MySQL support into the REXX language. Libraries are written in C and then imported into REXX scripts. Once imported REXX scripts can access most of the functions of the MySQL C API through REXX.
db4oboobrowser is a simple boo based object browser for db4o (http://www.db4o.com/) database files that allows you to view and manipulate your live objects either through a GUI or scripts written in the boo programming language (http://boo.codehaus.org/)
Extensible Data Objects (EDO) is a Markup-style scripting language for accessing and manipulating data from different sources (predominantly SQL sources, but also capable of extending to DNS, etc...), through an extensible plugin framework.
Lazy is a language and a system to publish databases on the Web and to prototype full Web applications. It is based on the declarative specification of hypertext views
No imperative programming is required to create a database-backed web site.