My Oracle Support Banner

NVARCHAR2 Columns Are Changed To VARCHAR2 Using SQL*Plus COPY Command (Doc ID 2544539.1)

Last updated on JANUARY 30, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 and later
Oracle Database - Standard Edition - Version 12.2.0.1 and later
Information in this document applies to any platform.

Symptoms

When using SQL*Plus COPY command to copy a table,
NVARCHAR2 columns are changed to VARCHAR2 data type,
with double its original length.

Observe following example.



Changes

 

Cause

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
Symptoms
Changes
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.