Enterprise Library Data Access Application Block  7.0-rc1
The Data Access Application Block abstracts the actual database you are using, and exposes a collection of methods that make it easy to access that database and to perform common tasks.
Microsoft.Practices.EnterpriseLibrary.Data.Sql Namespace Reference

Classes

class  RefCountingXmlReader
 Wrapper around XmlReader that ties into our reference counting on connections.
 
class  SqlDatabase
 Represents a SQL Server database. More...