ORA-01452 On Table while rebuilding index (Doc ID 1629887.1)

Last updated on MARCH 02, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.2.0.4 [Release 11.1 to 11.2]
Information in this document applies to any platform.

Symptoms

ORA-01452 may happen while creating a index or when rebuilding a index, even though there are no duplicate rows in the table.

Verifying existance of duplicate rows using script in 332494.1, but you may not find any duplicate rows.

alter index pin.I rebuild online nologging
*
ERROR at line 1:
ORA-01452: cannot CREATE UNIQUE INDEX; duplicate keys found

Changes

Index is created using single quotes around the column names. Some times even OEM generated syntax may have quotes around the columns.

Cause

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