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Oracle® Data Provider for .NET Developer's Guide
11g Release 1 (11.1)

B28375-01
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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.