Server — Oledb Driver For Sql

| Feature | OLE DB (MSOLEDBSQL) | ODBC (MSODBCSQL) | ADO.NET ( System.Data.SqlClient ) | | :--- | :--- | :--- | :--- | | | COM-based (Native) | C-API based (Native) | Managed .NET | | Best For | Legacy C++, ADO Classic, Linked Servers | PHP, Python, C/C++ apps moving forward | Modern .NET Core / Framework apps | | Performance | High (Low-level) | High | High (Managed overhead) | | Complexity | High (Complex interfaces) | Medium | Low | | Future | Maintained | Actively Developed | Actively Developed |

OLE DB is a Microsoft API (Application Programming Interface) that provides a standard way for applications to access and manipulate data in various data sources, including relational databases, file systems, and other data storage systems. OLE DB allows applications to connect to data sources, execute queries, and retrieve data in a format that can be used by the application. oledb driver for sql server

// Simplified example – error handling omitted for brevity HRESULT ExecuteQuery() IDBInitialize* pIDBInitialize = nullptr; IDBCreateSession* pIDBCreateSession = nullptr; IOpenRowset* pIOpenRowset = nullptr; | Feature | OLE DB (MSOLEDBSQL) | ODBC (MSODBCSQL) | ADO

Here is an example connection string that can be used to connect to a SQL Server database using the OLE DB Driver: Linked Servers | PHP