Microsoft SQL Server Using Linked Server Converts VARCHAR2 Column to NVARCHAR
(Doc ID 1362570.1)
Last updated on FEBRUARY 01, 2022
Applies to:
Oracle Provider for OLE DB - Version 10.2.0.4 to 11.2.0.2 [Release 10.2 to 11.2]Information in this document applies to any platform.
Microsoft SQL Server 2008 R2
Symptoms
Microsoft SQL Server Management Studio (SSMS) connects to an Oracle datasource via a Linked Server (OraOLEDB).
When creating a view using the following command in SSMS:
The view shows an NVARCHAR instead of VARCHAR datatype.
The Oracle database characterset is Unicode (UTF8, AL32UTF8)
Can be seen by :
SELECT * FROM NLS_DATABASE_PARAMETERS
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |