ORA-01722: Invalid Number After Upgrade Database From 8i To 11g

(Doc ID 1916361.1)

Last updated on DECEMBER 06, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.

Symptoms

After database upgrade from 8i to 11g, the following select statement was ran which correctly returned rows: 

 Running the script in (Doc ID 231213.1) doesn't show invalid numbers .

Changes

Upgraded the database from 8i to 11g.

Cause

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