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DB Schema Viewer is an Eclipse plugin that builds a graphical view of an existing database. Reverse Engineering is performed through JDBC. The most popular databases (MySQL, PostgreSQL and Firebird) are currently supported. The UI is build around GEF.
Database Schema Change Notifier is a J2EE application that report the changes (including tables, columns, users, index, etc.) of any kind of RDBMS. It is implemented using publish/subscribe mechanism
Colle is the glue of a properly designed web application. It is written on several popular technologies of the Java and XML world including Servlet API, EJB 2.0, XSLT, JDBC, XML Schema, jdom, JAXP and others.
An Eclipse plugin which provides functionality for working with LDAP directories from within Eclipse. It is possible to view and edit data in multiple directories and view the directory schema. The plugin features context sensitive help.
Mirage implements an complete 100% transparent Object Relational mapping for Java. It builds the database schema incrementally, to support incremental development and refactoring as it happens in Extreme Programming.
Analysys is a no-nonsense persistence layer generation tool for Java. Simple POJOs can be generated directly from your database schema, and you can be up and running in minutes.
RDBS2J is a GUI based mapping tool from relational database schema to persistent java classes which use JDO as persistence mechanism. The mapping can be modified by the GUI. The current version is designed to create code for Apache-OJB.
The VPDM framework is a software engineering meta-model to allow encapsulated views to be superimposed onto schema. We can forward engineer systems using this approach.
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.
A tool that generates relational database access code tied to a specific user-defined database schema (think "type safe database access"). The tool is implemented in Java, but the intention is to allow code to be generated in a variety of languages.
Database Organizer is a graphical schema editor. The schema can be transferred from a database ( any of them - Oracle, Postgres, msSQL, etc. ). It includes an SQL builder, schema comparator, index viewer, etc.
dbViZ is a Java application that allows users to easily visualize existing database schemas. Unlike ER-diagrams, dbViZ diagrams are lower level, describing the exact structure of the schema, yet they're customizable so users can focus on what they want.
ProDBA The cross platform Oracle development/administration tool written in Java. Features a powerful SQL editor and schema navigator. Can export dynamic queries to the web.
Synchony is a tool for relational database schema synchronization. It supports browsing, comparison and synchronization of schemas for Oracle database and browsing and comparison for any database with existing JDBC driver.
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.
SchemaCompare is a database schema comparison tool. It reports any differences between two database schemata and provides a migration script to upgrade a live database from one to the other.
A graphical design tool for building a database schema. Connects to several live databases (including Postgres, MySQL, Sybase and MS SQL Server) and uploads and downloads schemas. Generates and parses SQL and generates Java source code from the schema.
In Law implements a database that does not require a schema. Items are created in the database and related to each other in whatever way is needed. It is to RDBMSes what PERL is to Java.