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Oracle® Data Provider for .NET Developer's Guide
10g Release 2 (10.2.0.2)
B28089-01
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Oracle Data Provider for .NET Assembly

The Oracle.DataAccess.dll assembly provides two namespaces:

Oracle.DataAccess.Client Namespace

The Oracle.DataAccess.Client namespace contains implementations of core ADO.NET classes and enumerations for ODP.NET, as well as ODP.NET specific classes.

The following tables list ODP.NET classes, enumerations, and types that are supported by the Oracle.DataAccess.Client namespace. The tables also indicated which classes are not supported in .NET stored procedures.

Oracle.DataAccess.Client

Table 1-1 lists the client classes.

Table 1-1 Oracle.DataAccess.Client

Class Description

OnChangeEventHandler Delegate


The OnChangedEventHandler event delegate represents the signature of the method that handles the notification.

Not Supported in a .NET Stored Procedure

OracleClientFactory Class


An OracleClientFactory object allows applications to instantiate ODP.NET classes in a generic way.

OracleCommand Class


An OracleCommand object represents a SQL command, a stored procedure or function, or a table name.

OracleCommandBuilder Class


An OracleCommandBuilder object provides automatic SQL generation for the OracleDataAdapter when the database is updated.

OracleConnection Class


An OracleConnection object represents a connection to Oracle Database.

OracleConnectionStringBuilder Class


An OracleConnectionStringBuilder object allows applications to create or modify connection strings.

OracleDataAdapter Class


An OracleDataAdapter object represents a data provider object that communicates with the DataSet.

OracleDataReader Class


An OracleDataReader object represents a forward-only, read-only, in-memory result set.

OracleDataSourceEnumerator Class


An OracleDataSourceEnumerator object allows applications to generically obtain a collection of data sources to connect to.

OracleDependency Class


An OracleDependency class represents a dependency between an application and an Oracle database.

Not Supported in a .NET Stored Procedure

OracleError Class


The OracleError object represents an error reported by an Oracle database.

OracleErrorCollection Class


An OracleErrorCollection object represents a collection of OracleErrors.

OracleException Class


The OracleException object represents an exception that is thrown when Oracle Data Provider for .NET encounters an error.

OracleFailoverEventArgs Class


The OracleFailoverEventArgs class provides event data for the OracleConnection.Failover event.

Not Supported in a .NET Stored Procedure

OracleFailoverEventHandler Delegate


The OracleFailoverEventHandler represents the signature of the method that handles the OracleConnection.Failover event.

Not Supported in a .NET Stored Procedure

OracleGlobalization Class


The OracleGlobalization class is used to obtain and set the Oracle globalization settings of the session, thread, and local computer (read-only).

OracleInfoMessageEventArgs Class


The OracleInfoMessageEventArgs object provides event data for the OracleConnection.InfoMessage event.

OracleInfoMessageEventHandler Delegate


The OracleInfoMessageEventHandler delegate represents the signature of the method that handles the OracleConnection.InfoMessage event.

OracleNotificationEventArgs Class


The OracleNotificationEventArgs class provides event data for a notification.

OracleNotificationRequest Class


An OracleNotificationRequest class represents a notification request to be subscribed in the database.

Not Supported in a .NET Stored Procedure

OracleParameter Class


An OracleParameter object represents a parameter for an OracleCommand.

OracleParameterCollection Class


An OracleParameterCollection object represents a collection of OracleParameters.

OracleRowUpdatedEventArgs Class


The OracleRowUpdatedEventArgs object provides event data for the OracleDataAdapter.RowUpdated event.

OracleRowUpdatedEventHandler Delegate


The OracleRowUpdatedEventHandler delegate represents the signature of the method that handles the OracleDataAdapter.RowUpdated event.

OracleRowUpdatingEventArgs Class


The OracleRowUpdatingEventArgs object provides event data for the OracleDataAdapter.RowUpdating event.

OracleRowUpdatingEventHandler Delegate


The OracleRowUpdatingEventHandler delegate represents the signature of the method that handles the OracleDataAdapter.RowUpdating event.

OracleTransaction Class


An OracleTransaction object represents a local transaction.

Not Supported in a .NET Stored Procedure

OracleXmlQueryProperties Class


An OracleXmlQueryProperties object represents the XML properties used by the OracleCommand class when the XmlCommandType property is Query.

OracleXmlSaveProperties Class


An OracleXmlSaveProperties object represents the XML properties used by the OracleCommand class when the XmlCommandType property is Insert, Update, or Delete.


Oracle.DataAccess.Client Enumerations

Table 1-2 lists the client enumerations.

Table 1-2 Oracle.DataAccess.Client Enumerations

Enumeration Description

FailoverEvent Enumeration


FailoverEvent enumerated values are used to specify the state of the failover.

Not Supported in a .NET Stored Procedure

FailoverReturnCode Enumeration


FailoverReturnCode enumerated values are passed back by the application to the ODP.NET provider to request a retry in case of a failover error, or to continue in case of a successful failover.

Not Supported in a .NET Stored Procedure

FailoverType Enumeration


FailoverType enumerated values are used to indicate the type of failover event that was raised.

Not Supported in a .NET Stored Procedure

OracleCollectionType Enumeration


OracleCollectionType enumerated values specify whether or not the OracleParameter object represents a collection, and if so, specifies the collection type.

Not Supported in a .NET Stored Procedure

OracleDbType Enumeration


OracleDbType enumerated values are used to explicitly specify the OracleDbType of an OracleParameter.

OracleNotificationInfo Enumeration


OracleNotificationInfo enumerated values specify the database event that causes the notification.

Not Supported in a .NET Stored Procedure

OracleNotificationSource Enumeration


OracleNotificationSource enumerated values specify the different sources that cause notification.

Not Supported in a .NET Stored Procedure

OracleNotificationType Enumeration


OracleNotificationType enumerated values specify the different types that cause the notification.

Not Supported in a .NET Stored Procedure

OracleParameterStatus Enumeration


The OracleParameterStatus enumeration type indicates whether a NULL value is fetched from a column, or truncation has occurred during the fetch, or a NULL value is to be inserted into a database column.

OracleXmlCommandType Enumeration


The OracleXmlCommandType enumeration specifies the values that are allowed for the OracleXmlCommandType property of the OracleCommand class.


Oracle.DataAccess.Types Namespace

The Oracle.DataAccess.Types namespace provides classes, structures, and exceptions for Oracle native types that can be used with Oracle Data Provider for .NET.

Oracle.DataAccess.Types Structures

Table 1-3 lists the type structures.

Table 1-3 Oracle.DataAccess.Types Structures

Structure Description

OracleBinary Structure


The OracleBinary structure represents a variable-length stream of binary data.

OracleDate Structure


The OracleDate structure represents the Oracle DATE data type.

OracleDecimal Structure


The OracleDecimal structure represents an Oracle NUMBER in the database or any Oracle numeric value.

OracleIntervalDS Structure


The OracleIntervalDS structure represents the Oracle INTERVAL DAY TO SECOND data type.

OracleIntervalYM Structure


The OracleIntervalYM structure represents the Oracle INTERVAL YEAR TO MONTH data type.

OracleString Structure


The OracleString structure represents a variable-length stream of characters.

OracleTimeStamp Structure


The OracleTimeStamp structure represents the Oracle TimeStamp data type.

OracleTimeStampLTZ Structure


The OracleTimeStampLTZ structure represents the Oracle TIMESTAMP WITH LOCAL TIME ZONE data type.

OracleTimeStampTZ Structure


The OracleTimeStampTZ structure represents the Oracle TIMESTAMP WITH TIME ZONE data type.


Oracle.DataAccess.Types Exceptions

Type Exceptions are thrown only by ODP.NET type structures. Table 1-4 lists the type exceptions.

Table 1-4 Oracle.DataAccess.Types Exceptions

Exception Description

OracleTypeException Class


The OracleTypeException object is the base exception class for handling exceptions that occur in the ODP.NET Types classes.

OracleNullValueException Class


The OracleNullValueException represents an exception that is thrown when trying to access an ODP.NET Types structure that is null.

OracleTruncateException Class


The OracleTruncateException class represents an exception that is thrown when truncation in an ODP.NET Types class occurs.


Oracle.DataAccess.Types Classes

Table 1-5 lists the type classes.

Table 1-5 Oracle.DataAccess.Types Classes

Class Description

OracleBFile Class


An OracleBFile is an object that has a reference to BFILE data. It provides methods for performing operations on BFILE objects.

OracleBlob Class


An OracleBlob object is an object that has a reference to BLOB data. It provides methods for performing operations on BLOB objects.

OracleClob Class


An OracleClob is an object that has a reference to CLOB data. It provides methods for performing operations on CLOB objects.

OracleRefCursor Class


An OracleRefCursor object represents an Oracle REF CURSOR.

OracleXmlStream Class


An OracleXmlStream object represents a sequential read-only stream of XML data stored in an OracleXmlType object.

OracleXmlType Class


An OracleXmlType object represents an Oracle XmlType instance.