TNS-12545

How to Resolve ORA-12545: Connect failed because target host or object does not exist

by Ed Chen
February 10, 2019February 13, 2023
2 Comments

ORA-12545 and TNS-12545 ORA-12545 is the same as TNS-12545, they all indicate that the destination you provide in the connection string or description is not… Read More »

TNSPING, How and Why

by Ed Chen
July 22, 2014December 11, 2022

TNSPING Utility tnsping is a network testing utility provides by Oracle to test the availability of listener through the substrate of Oracle Net. Somebody may… Read More »