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This article mainly introduces "how to solve the problem of Chinese display in oracle database". In daily operation, I believe many people have doubts about how to solve the problem of Chinese display in oracle database. Xiaobian consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful for you to answer the question of "how to solve the problem of Chinese display in oracle database". Next, please follow the editor to study!

I. description of the problem

All the garbled codes in Chinese were found during the data cleaning.

Second, problem analysis

SQL > select userenv ('language') from dual

USERENV ('LANGUAGE')

AMERICAN_AMERICA.ZHS16GBK

[oracle@source_pc ~] $echo $NLS_LANG

The result is empty

Cause of the problem: the environment variable NLS_LANG is inconsistent with the database server character set

III. Solutions

[oracle@source_pc ~] $export NLS_LANG=AMERICAN_AMERICA.WE8ISO8859P1

-- this is only for this window, temporarily, but not for other sessions.

To take effect permanently, you can write to the .bash _ profile file.

[oracle@source_pc ~] $pwd

/ home/oracle

[oracle@source_pc ~] $vi .bash _ profile

Add a line: export NLS_LANG=AMERICAN_AMERICA.ZHS16GBK

[oracle@source_pc ~] $source .bash _ profile

At this point, the study on "how to solve the problem of Chinese display in oracle database" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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