Jisql is a Java based utility to provide a command line interactive session with a SQL server. This application is conceptually modeled on the Sybase isql program with, obviously, strong similarities to Microsoft SQL/Server isql and osql (as Microsoft got SQL Server from Sybase). The program can act in a similar way to Oracles sqlplus and PostgreSQLs psql.
PKLite SQL Client is an Open Source Java program can connect to any JDBC compliant database. It has basic query and update functionality and some simple database information capabilities. The goal of this project was to create a lightweight SQL client (under 1 MB) that was portable, easy to install and be vender independent. There are still some issues to be worked out so that is can be completely database vender independent but with this new build it is able to connect to any database that has
SQLShell is a fully functional textual database frontend with features like tabcompletion, command history optimized display and many more. SQLShell uses JDBC to connect to your favorite database. SQLShell has been succesfully tested on windows and linux.
QueryForm is a robust Java application that provides a powerful GUI front end for JDBC-enabled databases. It creates forms on-the-fly through which you can query tables and browse the results with just a few keystrokes or mouse clicks. It also lets you insert, update and delete table rows without typing any SQL statements.
DataBase Java Console (DBJC) is a console program that allows people to query a database with predefined SQL queries, or to make repetitive queries (with different parameters) for administration purposes.