Here is list of great tools for PHP/MySQL
1. phpMyAdmin
phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web. Currently it can create and drop databases, create/drop/alter tables, delete/edit/add fields, execute any SQL statement, manage keys on fields.
Most basic and must have tool and everyone is aware of it associated with PHP/MySQL and your shared web host must be providing you this tool to manage your databases on the web.
Type: Web based/OpenSource
URL: http://www.phpmyadmin.net
2. HeidiSQL

HeidiSQL is an easy-to-use interface and a "working-horse" for web-developers using the popular MySQL-Database. It allows you to manage and browse your databases and tables from an intuitive Windows® interface. Read the rest of this entry »