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Changes to the behavior of Import with a Streams configuration or AQ commit time queues (Doc ID 1380295.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.4 to 11.2.0.3 [Release 10.2 to 11.2]
Oracle Database - Enterprise Edition - Version 12.1.0.2 to 12.1.0.2 [Release 12.1]
Information in this document applies to any platform.
Specifically this issue affects both Datapump import (impdp) and conventional import (imp)



Purpose

Changes introduced in the January 2012 Critical Patch Update and associated Patch Set Updates / Bundles may require additional user actions when performing a database or user import. You should read this document if you have performed, or intend performing, an import into a patched database. The following functionality is impacted:

It is especially important to read this document if you see a messages like those below reported either to the terminal or the alert log:

Cannot set an SCN larger than the current SCN.
If a Streams Capture configuration was imported then the
Apply that processes the captured messages needs to be
dropped and recreated. See My Oracle Support article number 1380295.1
sqlplus@xx(TNS V1-V3): Cannot set an SCN larger than the current SCN.

Scope

This document is for DBAs and other Oracle users that may perform an import after installing January 2012 Critical Patch Update or later, or any equivalent bundle.

Details

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In this Document
Purpose
Scope
Details
 Import Warning Messages
 What if I do not get any message on Import ?
 What should I do if I do NOT need to use Streams Capture configuration from the .DMP file ?
 What should I do if I wish to use the imported Streams Capture configuration ?
 Identify the destination databases:
 Identify the destination Apply that needs to be recreated
 Drop and recreate the Target Apply
 AQ Commit Time Queues
References

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