"Provider=SQLOLEDB;Data Source=myServer;Initial Catalog=myDatabase;Integrated Security=SSPI;"
Conversely, MSOLEDBSQL follows a modern lifecycle. Microsoft releases regular updates to this driver independent of the SQL Server engine updates. This decoupling allows developers to patch security vulnerabilities and gain performance improvements without needing to upgrade the actual database server.
But if you are deep in the Microsoft BI stack—specifically SSIS or SSAS—or maintaining a legacy COM-based application, is not only relevant; it is essential. Microsoft continues to release updates (versions 18, 19, and future), proving that OLE DB is not dead—it is just retired from general duty and serving a tactical role in the data professional's arsenal. sql server ole db driver
The SQL Server OLE DB Driver offers several features, including:
The is a stand-alone data access Application Programming Interface (API). It is a software component—an OLE DB provider—that allows COM-based applications (like legacy ASP, VBA, or Delphi) to interact directly with SQL Server. But if you are deep in the Microsoft
The installer is typically an .msi file that can be distributed with your applications. It installs the library, resource, and header files necessary to interact with SQL Server, Azure SQL Database, and Azure Synapse Analytics. Connection String Examples The Provider name dictates which driver is used. 1. Modern MSOLEDBSQL (18.x)
The biggest trap with MSOLEDBSQL is its deployment. It is a software component—an OLE DB provider—that
Migrating from older versions to the newer Version 19+ introduces a few breaking changes, primarily aimed at increasing security. MSOLEDBSQL 18 (and earlier) MSOLEDBSQL 19+ MSOLEDBSQL MSOLEDBSQL19 Default Encryption no (Unencrypted) Mandatory (Yes) Certificate Validation Skipped if Encrypt=no Always evaluated if encryption is on Authentication Supported ADAL Supports mssql-auth.dll
The SQL Server OLE DB Driver 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 interfaces that enable applications to:
OLE DB (Object Linking and Embedding, Database) is a COM-based data access API designed by Microsoft. Unlike ODBC, which is primarily focused on relational SQL databases, OLE DB was built to access any data source—relational databases, email stores, directory services, flat files, and even Excel spreadsheets—in a tabular format.
Released in 2018, this is the modern, actively maintained driver. Why Use the Modern MSOLEDBSQL Driver?