Object Relational Persistence and Object-Based SQL Query API. Similar to that of Hibernate or JDO but much better structured design. This API has several layers of abstraction to be useful for nearly any situation.
xlSQL JDBC Driver for Excel, CSV and XML files. xlSQL maps a directory of Excel files to a database, workbooks to schemas and sheets to tables. Query documents with either the full HSQL or MySQL dialect. Write objects and data with native xlSQL.
JavaMatch is an engine that can search inside a runtime Java data structures, and look for objects that best match the criteria that you specify. The extensive query mechanism allows for highly customizable tuning of your match queries.
Persistence Framework for J2ME; DAO layer for MIDP. It enables the developer to Query Value/Data Objects in a RecordStore. Contains methods like dao.save(vo), dao.update(vo), dao.delete(vo) and dao.findContaining(Class vo, String where).
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Visual DB Script is an editor PHP,ASP,HTML(can support other languages) that integrate the functionally of a Database Manager (like Access or MySQL). It supports Scripting Developers with specifical SQL commands and an SQL Query Designer
JETHRO (Java Engine for Translating and Hiding Relational to Object) is a "bottom-up" persistence framework, designed in an "API+Provider" fashion. Based on the Data Transfer Object (DTO) concept, it offers a Transparent Query engine.
MySQL Query Analyzer is a simple MySQL client written in Java. It contains GUI elements for entering a query, viewing any SQL errors, viewing query times, and a table displaying the query results. It also supports saving queries and results to disk.
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The JDO Learning Tools demonstrate the behavior of Sun's Java Data Objects (JDO). Explore the query language and the persistence manager. Contains prototypes for client/server, web, and EJB architectures. Works with several JDO implementations.
Externalized Queries - a Java framework for externalizing SQL queries from source code. Query descriptor supports conditional logic and configurable caching. Custom taglib simplifies data display on JSPs.
Schema Map is a java j2ee war file that displays metadata for tables, columns, triggers, constraints, indexes and sequences in an oracle db. Supports 10 query buffers + metadata browsing. Free competitor to Toad and sqlplus.
This project is a 3-tier Database Query Tool to written in java. The GUI client presents the user with an interface to enter text SQL Queries and view the results. The query server relays requests to the database and formats the response.
OracleSQL is a java based query analyzer/thin client development tool. It is meant to be an alternative to Oracle's SQL PLUS that eliminates the need to install any Oracle software on the client.
This is a sample implementation of the TransQuery processing model, enabling the use of XSLT as a query language over multiple XML documents. See <a href="http://www.xmlportfolio.com/transquery">http://www.xmlportfolio.com/transquery</a> for more info.
XQuench is an XML Query parser and engine. The aim is to provide programmers with an API that implements the specifications at http://www.w3.org/XML/Query At first, XQuench will be Java-only. Future versions will include C++, while keeping a similar API.
DISCONTINUED PROJECT (see news) - jConsole is essentially a management console (written in Java) that can have a variety of plugins attached to it. At the moment it is growing as a framework for a cross database maintenance / query tool (SQL).
A console-based (Swing gui also in the future ...) interactive db query tool written in Java/JDBC. It goes beyond the typical tools by introducing a SQL-like metadata query language that allows interactive querying of DatabaseMetaData and ResultSetMetaDa
A portable application for JavaME/MIDP-enabled devices (including most mobile phones) that enables you to browse an XML database of geocache information—in particular, the Pocket Query data generated by the geocaching.com web site—wherever you go.
OLAP Query Designer is a fork of JRubik, and will incorportate an all new interface and query designer. I allows querying of OLAP Datasources like Mondrian, and is based around JPivot and the Pentaho project.
This is a english based query tool. This was worked on for about 5 years before being abandoned in about 1999. The company that I work for agreed to open source the code.
Distributed, scalable storage for flexible records. It is a kind of a distributed records repository with PUT/GET/REMOVE/QUERY features. It is can constitute a cluster and scale horizontally. It exposes a RESTful JSON interface.