Have a nice day!!! หาตั้งนานเจอแล้วเก็บไว้ในคลังซักหน่อย เผื่อใครเจอปัญหาเหมือนกัน ^^ "ORA-12545: Connect failed because target host or object does not exist” using / as sysdba ORA-12545 is very common error and people use to get this quite frequently as soon as they have some mis-configuration in oracle client configuration files.   .. Preview : 3036 … Read entire article »