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, and includes support for all databases.
Key Features:
A Database Navigator for browsing database objects.
An SQL Editor for creating SQL queries.
Visual tools for creating, editing, dropping, describing, altering, and viewing tables, views, indexes, and sequences
Visual Tools for creating, editing, dropping, and executing stored procedures, functions, and triggers
A robust programming editor that embeds the powerful EditRocket code editor that supports 20 programming languages including SQL, PL/SQL, TransactSQL, SQL PL, HTML, XML, and more.
Export Tool Export data in various formats
Import Tool Import data from delimited files, Excel files, or fixed width files into tables
Ships with a built in relational database engine (HSQLD

that is up and running out of the box and requires no end user administration