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Migration from Oracle 11g to 12c - Lossy Data

edited Nov 1, 2017 5:00AM in Database Utilities (MOSC) 2 commentsAnswered

We are in the process of migrating from Oracle 11g to Oracle 12c on RHEL7 (LANG=en_US.UTF-8), but we are having issues with lossy data.

Our source DB's have Oracle 11g installed (US7ASCII character set and UTF8 NCHAR character set)

Let's say I have a table with an accented (tilde) word:

NAME

--------

término

When I export/import with Data Pump into another server with Oracle 12c (AL32UTF8 character set and AL16UTF16 NCHAR character set), I get lossy data:

NAME

--------

t▒▒rmino

I know using NLS_LANG would make no difference here for Data Pump, so what options could I follow?

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