12c Data Pump Import From 10.2 or 11.1 Is Missing Some UNIQUE Indexes

(Doc ID 2133613.1)

Last updated on JANUARY 17, 2017

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


On : version, Data Pump Import (impdp)

When performing Data Pump import from a 10.2 or 11.1 source into, some of the UNIQUE indexes are not included in import.  The same dumpfile imports the unique indexes fine into 11g.

When using the SQLFILE option to check in 10g or 11g, it properly shows the CREATE UNIQUE INDEX statement.

For example:

All indexes should be imported.


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