The OLE DB Driver for SQL Server is a specific implementation of the OLE DB interface that allows applications to connect to Microsoft SQL Server databases. The driver provides a set of COM (Component Object Model) interfaces that enable applications to execute queries, retrieve data, and perform other database operations on SQL Server databases.
The is the modern, recommended data access interface for connecting applications to SQL Server databases . Unlike older versions that were deprecated and later revived, the current driver is a high-performance, stand-alone API designed to support the latest SQL Server features, including those in cloud environments like Azure. Evolution of OLE DB Drivers oledb driver for sql server