Oracle提供了一个名为tnsping的实用程序：
R:\>tnsping someconnection TNS Ping Utility for 32-bit Windows: Version 9.0.1.3.1 - Production on 27-AUG-20 08 10:38:07 Copyright (c) 1997 Oracle Corporation. All rights reserved. Used parameter files: C:\Oracle92\network\ADMIN\sqlnet.ora C:\Oracle92\network\ADMIN\tnsnames.ora TNS-03505: Failed to resolve name R:\> R:\>tnsping entpr01 TNS Ping Utility for 32-bit Windows: Version 9.0.1.3.1 - Production on 27-AUG-20 08 10:39:22 Copyright (c) 1997 Oracle Corporation. All rights reserved. Used parameter files: C:\Oracle92\network\ADMIN\sqlnet.ora C:\Oracle92\network\ADMIN\tnsnames.ora Used TNSNAMES adapter to resolve the alias Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (COMMUNITY = **) (PROTOCOL = TCP) (Host = ****) (Port = 1521))) (CONNECT_DATA = (SID = ENTPR0 1))) OK (40 msec) R:\>
