MyWebSQL is a web based WYSIWYG Database client written in PHP. It has a simple and intuitive interface with the look and feel of a desktop application, and offers rich features for database management. No installation is needed, just download, extract and you are ready to go. It even has a single file compact version with full functionality, which you can quickly deploy on your server.
Web-based Squirrel SQL client. it allow you to view database structure, import/export and manage your databases, including create database, table, store procedure, view,trigger and user. it support oracle, db2, mysql, MS SQL server, FireBird,Postgres