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SqlFunctionAttribute.DataAccess Property

Indicates whether the function involves access to user data stored in the local instance of SQL Server.

Namespace:  Microsoft.SqlServer.Server
Assembly:  System.Data (in System.Data.dll)

public DataAccessKind DataAccess { get; set; }

Property Value

Type: Microsoft.SqlServer.Server.DataAccessKind
DataAccessKind.None: Does not access data. DataAccessKind.Read: Only reads user data.

The default is None. DataAccess is also required when connecting to remote servers if transactions integration is required (the default).

If a Transact-SQL query is executed from inside a table-valued function (TVF), the DataAccessKind.Read property should be set.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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