HeidiSQL - client for MySQL
HeidiSQL is a brilliant, simple and free open source SQL tool for easy management of your MySQL server and databases. It does exactly what you expect it to - and a few extra things. It allows you to browse your databases, manage tables, view and edit records, manage user-privileges and more from an intuitive Windows® interface. 
Some of the features found on HeidiSQL
- generate nice SQL-exports
- synchronize tables between two databases
- manage user-privileges
- import text-files
- export table-data as CSV, HTML and XML
- browse and edit table-data using a comfortable grid
- batch-insert ascii or binary files into tables
- write queries with syntax-highlighting (next version will have also code-completion)
- monitor and kill client-processes and much more
References
heidisql, mysql — Apr 22, 2009