SQuirreL SQL Client is a graphical SQL client written in Java that will allow you to view the structure of a JDBC compliant database, browse the data in tables, issue SQL commands etc.
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