Index

How to Resolve ORA-01452: cannot CREATE UNIQUE INDEX; duplicate keys found

by Ed Chen
December 28, 2019December 29, 2019

ORA-01452 ORA-01452 means that the unique index that you want to impose on columns cannot be created because of duplicate keys have been found. In… Read More »

How to Resolve ORA-08102: index key not found

by Ed Chen
May 4, 2019December 11, 2019
2 Comments

ORA-08102 Found some ORA-08102 errors during executions of SQL statements like this: ERROR at line 1: ORA-08102: index key not found, obj# 98830, file 69,… Read More »