Demo of this beautiful game is finally available for Linux.
DB Solo - The SQL Query Tool is a powerful yet affordable cross-platform database development and management tool for both developers and DBAs. With its rich feature set, it is comparable to tools that are orders of magnitude more expensive.
Navicat Premium allows you to perform multiple server administration to MySQL, SQLite, Oracle and PostgreSQL databases from a single interface. It combines the functions of other Navicat members and supports most of the features in MySQL, SQLite, Oracle and PostgreSQL including Stored Procedure, Event, Trigger, Function, View, etc. This is a time saver, and beneficial to any administrator managing multiple servers.
RazorSQL is an SQL query tool, database browser, SQL editor, and database administration tool for Windows, Mac OS X, Linux, and Solaris. RazorSQL has been tested on over 29 databases, can connect to databases via either JDBC or ODBC.