ORA-12154

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

by Ed Chen
June 8, 2019December 29, 2022
8 Comments

ORA-12154 ORA-12154 means that your connection tools (e.g. sqlplus) cannot use TNSNAMES naming method for some reason. This reminds me that there're same error patterns… Read More »

SQLPlus Connect without Tnsnames

by Ed Chen
May 30, 2019December 17, 2022

SQLPlus without Tnsnames We usually connect a database by sqlplus through tnsnames.ora, but sometimes we are not allowable to change or access tnsnames.ora, even worse,… Read More »

JavaScript is not enabled. Please enable it and reload the page.