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 188.8.131.52 and later
Oracle Database - Standard Edition - Version 184.108.40.206 and later
Information in this document applies to any platform.
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.
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