We recommend you to try free (GNU GPL) MySQL manager for Windows. Open Source, free for using manager that is developing actively. Very useful.

http://www.heidisql.com/
Also you can try dbForge Studio for MySQL
http://www.devart.com/ru/dbforge/
It has good visual constructor of requests, and it’s free also.

General abilities

* Request profiler [in version 4.50]

Database Designer for visual structure building of database.

* SQL stored procedure debugging
* Improved managing of DB projects
* Master of data compare
* Master of scheme compare
* object visual editors
* code auto-complete
* code navigation
* library of templates
* SQL syntax checking
* development environment
* visual request building and editing запросов
* DB objects search
* DB explorer
* session manager
* management means
* transactions adjustment
* information about parameters
* safety manager
* DB export and import manager
* support of all MySQL server versions 3.23-5.1

You can also try SQLyog, but it is not free.