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How the REPLACE Option Works During an Import When There is a Foreign Key on the Imported Parent Table (Doc ID 1940883.1)

Last updated on OCTOBER 08, 2019

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.


When a table is truncated, it complains a FK in child table exists and the truncate is aborted.
However, it succeeds doing an impdp with  table_exists_action = "REPLACE" without any constraints error.
According to the documentation, IMPDP with replace option drops and recreates the table.
So how does "impdp with replace" work?


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