Oraoledb: Cannot Convert Between Unicode And Non-Unicode String Data Types
(Doc ID 960508.1)
Last updated on JANUARY 29, 2022
Applies to:
Oracle Provider for OLE DB - Version 10.2.0.4 and laterMicrosoft Windows x64 (64-bit)
Microsoft Windows (32-bit)
Symptoms
Developing an SSIS package that uses the Oracle OLEDB Provider on a 32 bit operating system and then deploying to a 64 bit SQLServer installation may result in the following error:
[OLE DB Source [1]] Error: column "<columname>" cannot convert between unicode and non-unicode string data types.
[OLE DB Source [1]] Warning: The external columns for component "OLE DB Source" (1) are out of synchronization with the data source columns. The external column "<columname>" needs to be updated.
[SSIS.Pipeline] Error: "component "OLE DB Source" (1)" failed validation and returned validation status "VS_ISBROKEN".
Changes
Cause
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In this Document
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| References |