Microsoft SQL Server 2008 R2 Web Edition is a data
storage, management, and reporting platform for deploying and
hosting Internet-accessible
web pages, sites, applications, and services. It includes the core
database
functionality of SQL Server 2008 R2 Standard but lacks support for
line-of-business applications; data warehousing, data mining, and
analysis
services; and other advanced functionality, such as failover
clustering and
certain security, integration, and reporting services.