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Showing content from https://learn.microsoft.com/en-us/dotnet/api/system.data.oracleclient below:

System.Data.OracleClient Namespace | Microsoft Learn

Represents a managed OracleBFile object designed to work with the Oracle BFILE data type. This class cannot be inherited.

Represents a set of methods for creating instances of the Oracle provider's implementation of the data source classes.

Represents an SQL statement or stored procedure to execute against a database. This class cannot be inherited.

Automatically generates single-table commands used to reconcile changes made to a DataSet with the associated database. This class cannot be inherited.

Represents an open connection to a database. This class cannot be inherited.

Provides a simple way to create and manage the contents of connection strings used by the OracleConnection class.

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.

Provides a way of reading a forward-only stream of data rows from a data source. This class cannot be inherited.

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.

Provides data for the InfoMessage event. This class cannot be inherited.

Represents a large object binary (LOB) data type stored on an Oracle server. This class cannot be inherited.

Represents a parameter to an OracleCommand and optionally its mapping to a DataColumn. This class cannot be inherited.

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.

Enables the .NET Framework Data Provider for Oracle to help ensure that a user has a security level adequate to access an Oracle database.

Associates a security action with a custom security attribute.

Provides data for the RowUpdated event. This class cannot be inherited.

Provides data for the RowUpdating event.

Represents a transaction to be made in the database.

Represents a variable-length stream of binary data to be stored in or retrieved from a database.

Represents the value returned from a database comparison operation between Oracle data types, and exposes methods used to perform data type conversions.

Represents date and time data ranging in value from January 1, 4712 BC to December 31, 4712 AD.

Represents a time interval in months and corresponds to the Oracle 9i INTERVAL YEAR TO MONTH data type.

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.

Represents a variable-length stream of characters to be stored in or retrieved from the database.

Represents a time interval and corresponds to the Oracle 9i INTERVAL DAY TO SECOND data type.

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

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.

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