totn Oracle Error Messages

Oracle / PLSQL: ORA-01779 Error Message

Learn the cause and how to resolve the ORA-01779 error message in Oracle.

Description

When you encounter an ORA-01779 error, the following error message will appear:

  • ORA-01779: cannot modify a column which maps to a non-key-preserved table

Cause

You tried to INSERT or UPDATE columns in a join view which map to a non-key-preserved table.

Resolution

The option(s) to resolve this Oracle error are:

Option #1

Try updating the tables directly.