12c Data Pump Import From 10.2 or 11.1 Is Missing Some UNIQUE Indexes
(Doc ID 2133613.1)
Last updated on FEBRUARY 03, 2019
Applies to:
Oracle Database - Enterprise Edition - Version 12.1.0.2 and laterInformation in this document applies to any platform.
Symptoms
On : 12.1.0.2 version, Data Pump Import (impdp)
ACTUAL BEHAVIOR
---------------
When performing Data Pump import from a 10.2 or 11.1 source into 12.1.0.2, 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:
EXPECTED BEHAVIOR
-----------------------
All indexes should be imported.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |