oracle21c listener.ora tnsnames.ora

--listener.ora

LISTENER =
 (ADDRESS_LIST=
  (ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521))
  (ADDRESS=(PROTOCOL=ipc)(KEY=PNPKEY))
)

SID_LIST_LISTENER=
 (SID_LIST=
  (SID_DESC=
         (SID_NAME=ORCL)
         (ORACLE_HOME=C:\app\homes\OraDB21Home1)
  )
 )

 

--tnsnames.ora

ORCL =
(DESCRIPTION =
    (ADDRESS_LIST =
    (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
    )
(CONNECT_DATA =
    (SERVER = DEDICATED)
(SERVICE_NAME = ORCL)
)
)