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 later
Microsoft Windows x64 (64-bit)
Microsoft Windows (32-bit)
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 ] Error: column "<columname>" cannot convert between unicode and non-unicode string data types.
[OLE DB Source ] 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".
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!
In this Document