This OLE DB Provider is provided by Microsoft.
The main functionality of the provider is contained in the file sqlncli11.dll.
Include "Provider=SQLNCLI11" in the connection string to use this provider.
SQL Server Native Client version 11 was released with SQL Server 2012.
The SQL Server Native Client OLE DB provider is a low-level COM API that is used for accessing data. The SQL Server Native Client OLE DB provider is recommended for developing tools, utilities, or low-level components that need high performance. The SQL Server Native Client OLE DB provider is a native, high performance provider that accesses the SQL Server Tabular Data Stream (TDS) protocol directly.
Read more about when to use this provider in the article "When to use the SQL Native Client" in the artices section.
SQL Server Native Client 11.0 provides OLE DB support to applications connecting to SQL Server versions 2005, 2008, 2008R2, 2012.
Note that it does not support features released with SQL Server 2014 and SQL Server 2016 that were not available as part of SQL Server 2012, such as Transparent Network IP Resolution, Always Encrypted, Azure AD Authentication, Bulk Copy and Table Value Parameters.
The SQL Server Native Client OLE DB provider is an OLE DB version 2.0–compliant provider.
More info about this provider can be found at the Microsoft product page.
This OLE DB Provider, SQL Server Native Client 11.0 OLE DB Provider, can be downloaded here.
The SQL Server Native Client 11.0 OLE DB Provider provider can be used to connect to the following data sources by using the following connection string references: