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OLEDB 11.2.0.1: DBColumnInfo->ulColumnSize shows wrong length (BYTES instead CHAR) for NVARVCHAR column when RDBMS parameter nls_length_semantics = CHAR (Doc ID 1136838.1)

Last updated on MARCH 04, 2022

Applies to:

Oracle Provider for OLE DB - Version 11.2.0.1 and later
Information in this document applies to any platform.

Symptoms

Using OLEDB 11.2.0.1 against database using init.ora parameter


returns maximum lengh for BYTES - not CHAR.

I.e. if NVARCHAR(40) is defined, return value is 80 (2*40) instead expected 40

Using OLEDB 11.1.0.7 and lower correct values for DBColumnInfo->ulColumnSize returned.

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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