The string consists of these keywords: Keyword ![]() Typical Connection StringĪ typical connection string for this provider is: "Provider=MSDASQL DSN=dsnName UID=MyUserID PWD=MyPassword " Reading the Provider property will return this string as well. To connect to this provider, set the Provider= argument of the ConnectionString property to: MSDASQL This is the default provider for ADO, and all provider-dependent ADO properties and methods are supported. ![]() For example, Microsoft Access supports nested transactions up to five levels deep. The provider supports transactions, although different DBMS engines offer different types of transaction support. ![]() The provider is free-threaded and Unicode enabled. The Microsoft ODBC Provider, however, allows ADO to connect to any ODBC data source. ODBC drivers are available for every major DBMS in use today, including Microsoft SQL Server, Microsoft Access (Microsoft Jet database engine), and Microsoft FoxPro, in addition to non-Microsoft database products such as Oracle. However, most DBMS systems in use today can be accessed through ODBC. Although increasingly more database vendors are implementing OLE DB interfaces, some data sources are not yet exposed this way. ![]() To an ADO or RDS programmer, an ideal world would be one in which every data source exposes an OLE DB interface, so that ADO could call directly into the data source.
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