AutoPatch was born from the needs of using an agile development process while working on systems that have persistent storage. Without AutoPatch, developers usually can't afford the maintenance headache of their own database, and DBAs are required just to apply changes to all of the various environments a serious development effort requires.
The very application of database changes becomes an inefficient, error-prone, expensive process, all conspiring to discourage any refactoring that touches the model, or being a bottleneck when model changes are made.
AutoPatch solves this problem, completely.
With AutoPatch, an agile development process that requires a database change looks like this:
* Developer alters the model, which requires a change to the database
* Developer possibly consults a DBA, and develops a SQL patch against their personal database that implements the alteration
* Developer commits the patch to source control at the same time as they commit their dependent code
* Other developers' and environments' databases are automatically updated by AutoPatch the next time the new source is run
This represents streamlined environment maintenance, allowing developers to cheaply have their own databases and all databases to stay in synch with massively lower costs and no environment skew.
That's what AutoPatch does.
Clusters with one database? Multiple schemas? Logical migrations, instead of just DDL changes? Need to do something special/custom? Need to distribute your changes commercially? All without paying anything? No problem.
Cayenne is a powerful, full-featured Java Object Relational Mapping framework. It is open source and completely free. Cayenne cross-platform modeling GUI tools place it in the league of its own, making it a very attractive choice over both closed source c
The Sundog Database Refactoring Tool (SDRT) is an open source (LGPL), DBMS-independent library that eases database development, particularly in an agile environment.
dbdeploy is a Database Change Management tool. It helps developers and
DBAs change their database in a simple, controlled, flexible and
frequent manner
Dzine is an Open Source CASE tool for OOAD. Draw use case ,interaction ,class ,deployment ,ER Diagrams. Code generation in C++ and java. Normalise your ER diagrams and generate SQL code. Reverse engg design from code. Just put in your Java or C++ code and
The goal is to create an eclipse plugin to design and edit entity relationship diagrams. On the other side, the plugin should also be able to create SQL and Java-Code (Hibernate) out of the diagrams.
Eclipse SQL Explorer is a thin SQL client that allows you to query and browse any JDBC compliant database. It supports plugins with specialized functionality for individual databases (Oracle, DB2 and MySQL) and can be extended to include specialized support for other databases.
FreeQueryBuilder allow you to create SQL queries without directly writing SQL. You can add or remove tables and add, remove or modify joins between tables. Also, specify: data columns for output, the sort order for the query, search conditions, grouping c
Hannibal is a code generator that can generate scaffolding for web projects in different languages, including Java, PHP, SQL, and JavaScript. The code it generates follows Restful considerations.
The iBATIS database-mapping framework -- a popular Java framework for object-relational (OR) mapping -- is now an Apache open source project. This tutorial is the first in a three-part series demonstrating how to combine Apache Derby's power as a small-fo