ORA-06404

ORA-06404 ORA-06404 : NETCMN: invalid login (connect) string Cause : Syntax error in login string. Action : Correct string and re...

ORA-12541

ORA-12541 ORA-12541 : TNS:no listener Cause : he connection request could not be completed because the listener is not running. of c...

ORA-06420

ORA-06420 ORA-06420 : NETCMN: SID lookup failure Cause : From the remote host"s server: the database SID, specified in the logi...

ORA-02063

ORA-02063 ORA-02063 : preceding stringstring from stringstring Cause : an Oracle error was received from a remote database link. A...

ORA-12154

ORA-12154 ORA-12154 : TNS:could not resolve the connect identifier specified Cause : A connection to a database or other service was...

ORA-04084

ORA-04084 ORA-04084 : Cannot change NEW values for this trigger type Cause : New trigger variables can only be changed in before ro...

ORA-00984

ORA-00984 ORA-00984 : Column not allowed here Cause : A column name was used in an expression where it is not permitted, such as in ...