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This article mainly explains "how to solve the problem of EXPDP exporting Times wrong ORA-12154". The content of the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "how to solve the problem of EXPDP exporting Times wrong ORA-12154".

I. description of the problem

Doing data Migration Times wrong ORA-12154

[oracle@qianzhi ~] $expdp zrd/zrd@qianz directory=DATA_PUMP_DIR dumpfile=20180314TJJbak.dmp logfile=20180314TJJbak.log schemas=TJJ

Export: Release 11.2.0.4.0-Production on Wed Mar 14 10:28:55 2018

Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.

UDE-12154: operation generated ORACLE error 12154

ORA-12154: TNS:could not resolve the connect identifier specified

The string is right, and the tns file is fine.

Second, after checking the statement, it is found that the IP address is not written.

III. Solutions

Complete the data pump export statement

[oracle@qianzhi admin] $expdp zrd/zrd@172.16.69.30/qianz directory=DATA_PUMP_DIR dumpfile=20180314TJJbak.dmp logfile=20180314TJJbak.log schemas=TJJ

Export: Release 11.2.0.4.0-Production on Wed Mar 14 10:32:39 2018

Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0-64bit Production

With the Partitioning, OLAP, Data Mining and Real Application Testing options

FLASHBACK automatically enabled to preserve database integrity.

Starting "ZRD". "SYS_EXPORT_SCHEMA_01": zrd

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