ReadOnly Property of the Data Column Changed to True in Oracle Client 12c
(Doc ID 2207301.1)
Last updated on FEBRUARY 10, 2019
Applies to:Oracle Data Provider for .NET - Version 18.104.22.168 to 22.214.171.124 [Release 12.1]
Microsoft Windows x64 (64-bit)
Microsoft Windows (32-bit)
After upgrading the ODAC version to 12c Release 4 (126.96.36.199.4), few columns in the select statement had their ReadOnly property set to True instead of False.
This led to ReadOnlyException when trying to manipulate the data to these columns. The issue is specific to Managed ODP.NET driver.
This issue is not seen in older versions of ODAC like 188.8.131.52.
Customer upgraded the client to ODAC 12c Release 4.
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