| | Class | Description |
|---|
 | DbCommandBase | Represents a SQL statement or stored procedure to execute against a data source. |
| DbCommandBuilder | Allows to automatically generate single-table commands used to reconcile changes made to a System.Data.DataSet with the associated data source. |
| DbCommandBuilderBase | Allows to automatically generate single-table commands used to reconcile changes made to a System.Data.DataSet with the associated data source. |
| DbConnectionStringBuilder | Generates automatically connection strings used to connect to a data source. |
| DbDataAdapter | Represents a set of data commands and a data source connection that are used to fill the System.Data.DataSet and update a data source. |
| DbDataReaderBase | Allows to read a forward-only stream of rows from a data source. |
| DbLoader | Serves to load external data into the data source. |
| DbLoaderColumn | Represents the attributes for column loading. |
| DbLoaderColumnCollection | Represents a collection of columns relevant to a DbLoader. |
| DbMonitor | Allows monitoring dynamic SQL execution in applications that use .NET data providers. |
| DbParameterBase | Represents a parameter to a DbCommandBase, and optionally, its mapping to System.Data.DataSet columns. |
| DbParameterBaseCollection | Collects all parameters relevant to a DbCommandBase as well as their respective mappings to System.Data.DataSet columns. |
| DbProviderException | The base class for all exceptions thrown on data provider side. This does not include data source exceptions. |
| MonitorEventArgs | Provides data for the DbMonitor.TraceEvent event of the DbMonitor class. |
| ProxyException | Represents an exception that occurs when connecting through a proxy server. |
| ProxyOptions | Represents proxy server settings. |
| QueryRecordCountException | Describes an error that is raised during record count request process. |
