Last updated on DECEMBER 06, 2016
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Information in this document applies to any platform.
ORA-1555 is being reported inspite of high values set for the undo_retention and enough space in the UNDO tablespace.
o setting "_smu_debug_mode" = 33554432 didn't help.
o Tried many settings for UNDO_RETENTION, also didn't work.
Sign In with your My Oracle Support account
Don't have a My Oracle Support account? Click to get started
Million Knowledge Articles and hundreds of Community platforms