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OracleBulkCopy.WriteToServer() Method Disregards Primary Keys On Destination Table (Doc ID 1181547.1)

Last updated on MARCH 17, 2025

Applies to:

Oracle Data Provider for .NET - Version 9.2.0.8 and later
Microsoft Windows (32-bit)
Microsoft Windows x64 (64-bit)

Symptoms

When using the Oracle Data Provider for .NET (ODP.NET) OracleBulkCopy.WriteToServer() method your are able to add duplicate data into the destination table even if a primary key exist on the data that would normally prevent it from being added from a SQL environment.

Here is an example of the problem...

SQL*Plus Script

Cause

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In this Document
Symptoms
Cause
Solution
References


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