This OLE DB Provider is provided by Microsoft.
The main functionality of the provider is contained in the file sqloledb.dll.
Include "Provider=sqloledb" in the connection string to use this provider.
The Microsoft OLE DB Provider for SQL Server provides an OLE DB interface to Microsoft SQL Server databases. Using the OLE DB Provider for SQL Server, SQL Server distributed queries can query data in remote instances of SQL Server
There is no 'Microsoft OLE DB Provider for SQL Server' installation package to download. (if you know about an installation package URL you can contribute to the community by submitting the info to us through this message form)
The Microsoft OLE DB Provider for SQL Server provider can be used to connect to the following data sources by using the following connection string references: