Pl Sql Developer Ora-12154 Tns Could Not Resolve

how to solve ORA-12560: TNS:protocol adapter errorHi, I have created a db link to connect to another database but when I test it it gives me the tns error ORA 12154 Could not resolve service ……

I need to use PLSQL Developer to access oracle databases. I get the following error when I try to connect to my database. ORA-12154: TNS:could not resolve the ……

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

Oct 09, 2007 · ORA-12154:TNS Could Not Resolve the Connect Identifier specified…

If the above suggestion does not work, check the value of the NAMES.DEFAULT_DOMAIN parameter in your sqlnet.ora. For example: ……

Jun 24, 2008 · Problem Description:—–Whenever you try to connect your database it returns error ORA-12154. SQL> conn prod/prod@jupi…

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