Datapump import with REMAP_TABLE clause giving wrong results
(Doc ID 1544270.1)
Last updated on MARCH 12, 2021
Applies to:
Oracle Database - Enterprise Edition - Version 10.2.0.1 to 12.1.0.1 [Release 10.2 to 12.1]Oracle Database Cloud Schema 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
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
When trying to remap tables during datapump import with table_exists_action=truncate as follows:
- t1 -> t2
- t2 -> t3
Where t1 and t2 are export tables from the source database and the destination tables t2 and t3 are existing tables in the destination database
Table t2 is empty.
The remap imported the data from both t1 and t2 into t3!
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |