ADO.NET data provider
An ADO.NET data provider is a software component enabling an ADO.NET consumer to interact with a data source. ADO.NET data providers are analogous to ODBC drivers, JDBC drivers, and OLE DB providers.
ADO.NET providers can be created to access such simple data stores as a text file and spreadsheet, through to such complex databases as Oracle, Microsoft SQL Server, MySQL, PostgreSQL, SQLite, DB2, Sybase ASE, and many others. They can also provide access to hierarchical data stores such as email systems.
However, because different data store technologies can have different capabilities, every ADO.NET provider cannot implement every possible interface available in the ADO.NET standard. Microsoft describes the availability of an interface as "provider-specific," as it may not be applicable depending on the data store technology involved. Note also that providers may augment the capabilities of a data store; these capabilities are known as services in Microsoft parlance.
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