Microsoft has launched "Windows Azure Platform Management Portal," and with it a "database manager for SQL Azure (Project Houston), designed specifically for web developers and other technology professionals seeking a straightforward solution to quickly develop, deploy, and manage their data-driven apps in the cloud. Project "Houston" provides a web-based database management tool for basic database management tasks like authoring and executing queries, designing and editing a database schema, and editing table data."
The management portal seamless allows for complete administration of all Windows Azure platform resources, streamlines administration of creating and managing SQL Azure databases, and allows for ultra-efficient administrator of SQL Azure.
The portal is 100% Silverlight and features getting started wizards to walk you through the process of creating subscriptions, servers, and databases along with integrated help, and a quick link ribbon bar.
More Info: Windows Azure Portal