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What are the namespaces used in ADO.NET for data access ?


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    Namespaces used to access database are

  • System.Data – Contains all generic data access classes
  • System.Data.Common – Contains classes which are shared / overridden by data providers
  • System.Data.OleDb - OLE DB provider classes used to access database such as Oracle, MySQL, SQL Server and MS Access.
  • System.Data.SqlClient – Contains classes for SQL Server
  • System.Data.SqlTypes – Contains SQL Server data types

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