Why do Primary Key indexes disappear or are never created in 11.2+? (Doc ID 1142823.1)

Last updated on MAY 13, 2014

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 to 11.2.0.1.0 [Release 10.1 to 11.2]
Information in this document applies to any platform.

Goal

Why does disabling a primary key constraint in 11.2 or higher occasionally drop the primary key index? 

Solution

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