Mrg_isam (MERGE) Table ERROR 1168 (HY000): Unable to open underlying table

(Doc ID 2285731.1)

Last updated on APRIL 11, 2018

Applies to:

MySQL Server - Version 5.5 and later
Information in this document applies to any platform.


When accessing a MERGE table the following error is displayed:



 Merge underlying tables were modified somehow ( alter table, changing engine, dropped,etc)


Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms