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In What Order Are Indexes Built During Datapump Import (IMPDP) and How to Optimize the Index Creation (Doc ID 1966442.1)

Last updated on AUGUST 25, 2023

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.


How does Datapump import the indexes? Is there an optimal way to import the index data?
The goal being: to minimize the time the database is unavailable.

1) What order are the indexes build in?
2) Is there a way to parallelize the index creation?



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