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Register todayComponents of OLE DB Driver for SQL Server
Applies to: 
SQL Server
Azure SQL Database
Azure SQL Managed Instance
Azure Synapse Analytics
Analytics Platform System (PDW)
OLE DB Driver for SQL Server contains the components described in the following tables.
| Component | Description |
|---|---|
| msoledbsql19.dll | The dynamic-link library (DLL) file that contains all of the OLE DB Driver for SQL Server functionality. |
| msoledbsqlr19.rll | The accompanying resource file for the OLE DB Driver for SQL Server library. |
| msoledbsql.h | The OLE DB Driver for SQL Server header file that contains all of the new definitions needed in order to use OLE DB Driver for SQL Server. This header file replaces the sqloledb.h header file. Note: You can reference msoledbsql.h and sqloledb.h in same program as long as sqloledb.h is defined first. |
| msoledbsql19.lib | The library file needed to directly call the OpenSqlFilestream function that is part of the OLE DB Driver for SQL Server. Note: If you do reference the msoledbsql19.lib file in your programming code, you need to make sure that the msoledbsql19.dll file is in your system path, and in the system path of the users that make use of your application. |
| Component | Description |
|---|---|
| msoledbsql.dll | The dynamic-link library (DLL) file that contains all of the OLE DB Driver for SQL Server functionality. |
| msoledbsqlr.rll | The accompanying resource file for the OLE DB Driver for SQL Server library. |
| msoledbsql.h | The OLE DB Driver for SQL Server header file that contains all of the new definitions needed in order to use OLE DB Driver for SQL Server. This header file replaces the sqloledb.h header file. Note: You can reference msoledbsql.h and sqloledb.h in same program as long as sqloledb.h is defined first. |
| msoledbsql.lib | The library file needed to directly call the OpenSqlFilestream function that is part of the OLE DB Driver for SQL Server. Note: If you do reference the msoledbsql.lib file in your programming code, you need to make sure that the msoledbsql.dll file is in your system path, and in the system path of the users that make use of your application. |