SQL Azure is a product family centered on the SQL Azure Database, a cloud-based relational database service built on SQL Server technologies. SQL Azure is part of the Windows Azure Platform offering from Microsoft. Along with the SQL Azure Database, SQL Azure includes: SQL Azure Reporting, a cloud-based reporting platform that provides comprehensive reporting functionality for the SQL Azure database and SQL Azure Data Sync, a cloud-based data synchronization service built on Microsoft Sync Framework technologies. Read more about these three topics:
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