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There was a SQLException: java.sql.SQLException: ORA-01017: invalid username/password; logon denied | Service Virtualization
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Change a PDB Character Set within Oracle database 12cR2 (12.2.0.1) using the DMU tool – Wadhah DAOUEHI
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oracle - how to make sql developer display non-English character correctly instread of displaying squares? - Stack Overflow
![AbdulWasiq: The selected Oracle database is not configured to use the AL32UTF8 character set. Oracle strongly recommends using the AL32UTF8 character set for databases that support Oracle Fusion Middleware. AbdulWasiq: The selected Oracle database is not configured to use the AL32UTF8 character set. Oracle strongly recommends using the AL32UTF8 character set for databases that support Oracle Fusion Middleware.](http://1.bp.blogspot.com/-k5QID3VWlU4/VSqwNYs-gLI/AAAAAAAABbc/B0f1PvEVMfM/s1600/error.jpg)
AbdulWasiq: The selected Oracle database is not configured to use the AL32UTF8 character set. Oracle strongly recommends using the AL32UTF8 character set for databases that support Oracle Fusion Middleware.
![Change a PDB Character Set within Oracle database 12cR2 (12.2.0.1) using the DMU tool – Wadhah DAOUEHI Change a PDB Character Set within Oracle database 12cR2 (12.2.0.1) using the DMU tool – Wadhah DAOUEHI](https://wadhahdaouehi.tn/wp-content/uploads/2018/05/dmu-02.png)
Change a PDB Character Set within Oracle database 12cR2 (12.2.0.1) using the DMU tool – Wadhah DAOUEHI
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