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Unique constraint violation when refreshing MV

edited Dec 27, 2013 10:25AM in Database DataWarehousing (MOSC) 5 commentsAnswered ✓
 Hi ,Can you please let me know what could be the reason?

MV is being refreshed over dblink as a job in oracle every night that fails about twice a month with the following error.

ORA-12048: error encountered while refreshing materialized view "SATURN"."SARCHKL" ORA-00001: unique constraint (SATURN.PK_SARCHKL) violated


I have verified that it is not a duplicate record issue.

It runs manually without issue when it fails.


Thanks,

VP




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