PLSQL 增加新库 tnsnames.ora

C:\Program Files\PLSQL Developer\instantclient-basic-win32-11.2.0.1.0\instantclient_11_2\NETWORK\ADMIN\tnsnames.ora

OLD99 =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.99)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = DHDH114)
    )
  )


NEWS98 =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.98)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = DHDH114)
    )
  )