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Data Pump: The Time Zone Pitfalls

Data Pump: The Time Zone Pitfalls

Photo by Luis Cortes on Unsplash

Last week a very experienced colleague called me. He had issues with an export dump taken from an Oracle 20c database importing into 19c. It failed. So this blog post is about Data Pump: The Time Zone Pitfalls.

The Case

Usually you will see this issue only when you try to export from a higher version, and then attempt to import into a lower one. But the same thing can happen when you patched your databases partially with a newer time zone patch regardless of the version.

My colleague saw this error:

impdp system/welcome1@//localhost:1521/MYDB 
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RMAN Catalog Upgrade fails – ORA-02296 – error creating modify_ts_pdbinc_key_not_null

This issue got raised to my via a customer I know for quite a while – all credits go to Andy Kielhorn for digging down into that issue and solving it.

Failed RMAN Catalog Upgrade from 11.2.0.4 to 12.1.0.2

The RMAN catalog upgrade:

SQL> @?/rdbms/admin/dbmsrmansys.sql

$ rman CATALOG rman/xxx@rman01

RMAN> UPGRADE CATALOG; 

RMAN> UPGRADE CATALOG;

failed with the following sequence of error messages:

error creating modify_ts_pdbinc_key_not_null
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-06004: ORACLE error from recovery catalog database: ORA-02296: cannot enable (RMAN.) - null values found

error creating modify_tsatt_pdbinc_key_not_null
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR 
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