EZCONNECT

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

by Ed Chen
June 8, 2019October 23, 2019

ORA-12154 means that your connection tools including sqlplus cannot use TNSNAMES naming method for some reason. This reminds me that there’re same error patterns in… Read More »

How to Connect Without TNSNAMES

by Ed Chen
May 30, 2019August 26, 2019

Connect No TNSNAMES Yes, sometimes we are not allowable to change tnsnames.ora, even a tiny bit. How can we connect to new or moved databases?… Read More »