Update Fails with ORA-01779: cannot modify a column which maps to a non key-preserved table
(Doc ID 391728.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Information in this document applies to any platform.
You have two tables PROYECTO and TABLA.
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!