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System.Data.OracleClient Namespace

The System.Data.OracleClient namespace is the .NET Framework Data Provider for Oracle.

This types in System.Data.OracleClient are deprecated and will be removed in a future version of the .NET Framework. For more information, see Oracle and ADO.NET.

The .NET Framework Data Provider for Oracle describes a collection of classes for accessing an Oracle data source in the managed space. Using the OracleDataAdapter class, you can fill a memory-resident DataSet, query it, and use it to update the data source.

For additional information about how to use this namespace, see the OracleDataReader, OracleCommand, and OracleConnection classes.

Note Note

For conceptual information about using this namespace when programming with the .NET Framework, see Oracle and ADO.NET.

The .NET Framework Data Provider for Oracle supports a number of Oracle data types, including the BFILE, LOB, and REF CURSOR data types. For information about using Oracle data types in parameters, see OracleType.

  Class Description
Public class OracleBFile Represents a managed OracleBFile object designed to work with the Oracle BFILE data type. This class cannot be inherited.
Public class OracleClientFactory Obsolete. Represents a set of methods for creating instances of the Oracle provider's implementation of the data source classes.
Public class OracleCommand Obsolete. Represents an SQL statement or stored procedure to execute against a database. This class cannot be inherited.
Public class OracleCommandBuilder Obsolete. Automatically generates single-table commands used to reconcile changes made to a DataSet with the associated database. This class cannot be inherited.
Public class OracleConnection Obsolete. Represents an open connection to a database. This class cannot be inherited.
Public class OracleConnectionStringBuilder Obsolete. Provides a simple way to create and manage the contents of connection strings used by the OracleConnection class.
Public class OracleDataAdapter Obsolete. Represents a set of data commands and a connection to a database that are used to fill the DataSet and update the database. This class cannot be inherited.
Public class OracleDataReader Provides a way of reading a forward-only stream of data rows from a data source. This class cannot be inherited.
Public class OracleException The exception that is generated when a warning or error is returned by an Oracle database or the .NET Framework Data Provider for Oracle. This class cannot be inherited.
Public class OracleInfoMessageEventArgs Provides data for the InfoMessage event. This class cannot be inherited.
Public class OracleLob Represents a large object binary (LOB) data type stored on an Oracle server. This class cannot be inherited.
Public class OracleParameter Represents a parameter to an OracleCommand and optionally its mapping to a DataColumn. This class cannot be inherited.
Public class OracleParameterCollection Represents a collection of parameters relevant to an OracleCommand as well as their respective mappings to columns in a DataSet. This class cannot be inherited.
Public class OraclePermission Obsolete. Enables the .NET Framework Data Provider for Oracle to help ensure that a user has a security level adequate to access an Oracle database.
Public class OraclePermissionAttribute Obsolete. Associates a security action with a custom security attribute.
Public class OracleRowUpdatedEventArgs Provides data for the RowUpdated event. This class cannot be inherited.
Public class OracleRowUpdatingEventArgs Provides data for the RowUpdating event.
Public class OracleTransaction Represents a transaction to be made in the database.

  Structure Description
Public structure OracleBinary Represents a variable-length stream of binary data to be stored in or retrieved from a database.
Public structure OracleBoolean Represents the value returned from a database comparison operation between Oracle data types, and exposes methods used to perform data type conversions.
Public structure OracleDateTime Represents date and time data ranging in value from January 1, 4712 BC to December 31, 4712 AD.
Public structure OracleMonthSpan Represents a time interval in months and corresponds to the Oracle 9i INTERVAL YEAR TO MONTH data type.
Public structure OracleNumber Represents a fixed precision and scale numeric value between -10 27 -1 and 10 27 -1 to be stored in or retrieved from a database.
Public structure OracleString Represents a variable-length stream of characters to be stored in or retrieved from the database.
Public structure OracleTimeSpan Represents a time interval and corresponds to the Oracle 9i INTERVAL DAY TO SECOND data type.

  Delegate Description
Public delegate OracleInfoMessageEventHandler Represents the method that will handle the InfoMessage event of an OracleConnection.
Public delegate OracleRowUpdatedEventHandler Represents the method that will handle the RowUpdated event of an OracleDataAdapter.
Public delegate OracleRowUpdatingEventHandler Represents the method that will handle the RowUpdating event of an OracleDataAdapter.

  Enumeration Description
Public enumeration OracleLobOpenMode Specifies whether an OracleLob should be opened in read-only or read/write mode.
Public enumeration OracleType Specifies the data type of a field or property for use in an OracleParameter.
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