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IMP Takes More Time To Import The Constraints (Doc ID 166887.1)

Last updated on MARCH 11, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 8.1.6.0 to 11.2.0.4 [Release 8.1.6 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Exporting from Oracle database (older versions 8i/9i) and importing into Oracle 8i/9i/10g/11g. You observed a slow performance when running import job.

The TKPROF output shows the time is spent on view SYS.IMP8CDT. Your application has many constraints.

Cause

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