Last updated on SEPTEMBER 11, 2017
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.4 to 12.1.0.2 [Release 11.2 to 12.1]Information in this document applies to any platform.
Symptoms
- DataPump export hangs at estimation phase when unloading data from a schema:
- Following action has not helped:
+ Reload the DataPump utility.
+ Gather the statistics for Dictionary and Fixed Objects
+ Apply Merge Patch 21443197.
Changes
Querying dba_rules:
SQL> select count(*) from dba_rules where rule_owner = '<schema_name>' and rule_action_context is not null;
shows many rules defined under the exported schema.
Cause
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