The Sundog Database Refactoring Tool (SDRT) is an open source (LGPL), DBMS-independent library that eases database development, particularly in an agile environment.
MIGRATEdb will parse an XML file of database changes and load them to the targeted database if they are not already there.
A database change consists of tests to determine whether the change has already been applied and a set of change actions.
dbdeploy is a Database Change Management tool. It helps developers and
DBAs change their database in a simple, controlled, flexible and
frequent manner
As an FAQ you can easily navigate to the sections of interest. It is recommended to start with the NLS_LANG Parameter Fundamentals section first to get a basic understanding of how the NLS_LANG parameter works.
SuperQuaiL is a Java SQL query builder. The goal of SuperQuaiL is to help Java developers who code SQL run and create queries easier. Other database tools focus on making it easy to do database administration and it is nice to be able to inspect the database through these tools. PhpMyAdmin, for example, a is nice web front end that you can run from multiple computers, but the interface is clumsy for the developer. For development, building queries is the main task and having a small program that loads quickly is more helpful than having a complicated interface where you can find out almost anything about the database. SuperQuaiL provides nice features to aid in the process of developing queries quick and easy.