database desktop for Linux

DBVizualazer неплохая штука

Точнее DbVisualizer - The Universal Database Tool

DbVisualizer is a cross-platform database tool for all major relational databases. DbVisualizer enables simultaneous connections to many different databases through JDBC drivers. Just point and click to browse the database structure, view detailed characteristics of database objects, edit table data graphically, execute arbitrary SQL statements or SQL scripts, reverse engineer primary/foreign key mappings graphically or why not let DbVisualizer chart your database with its advanced charting options. The user friendly graphical interface in combination with the unique collection of features makes DbVisualizer the ideal choice for administrators and developers.

http://www.minq.se/products/dbvis/