如何连接另一台电脑的oracle数据库？

A电脑为oracle服务端，B电脑为oracle客户端。

配置步骤：

首先AB在同一局域网；

服务端：

①修改ORACLE_HOMENETWORKADMINlistener.ora，把HOST改为本机IP(HOST = 172.20.10.3)：

# listener.ora Network Configuration File: D:app yproduct12.1.0dbhome_1NETWORKADMINlistener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = CLRExtProc)
(ORACLE_HOME = D:app yproduct12.1.0dbhome_1)
(PROGRAM = extproc)
(ENVS = "EXTPROC_DLLS=ONLY:D:app yproduct12.1.0dbhome_1inoraclr12.dll")
)
)

LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
)
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.20.10.3)(PORT = 1521))
)
)

ADR_BASE_LISTENER = D:app yproduct12.1.0dbhome_1log

②修改ORACLE_HOMENETWORKADMIN nsnames.ora，把HOST改为本机IP(HOST = 172.20.10.3)：

# tnsnames.ora Network Configuration File: D:app yproduct12.1.0dbhome_1 etworkadmin nsnames.ora
# Generated by Oracle configuration tools.

LISTENER_ORCL =
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.20.10.3)(PORT = 1521))

ORACLR_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
)
(CONNECT_DATA =
(SID = CLRExtProc)
(PRESENTATION = RO)
)
)

ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.20.10.3)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)

客户端：

上面2个文件的HOST和服务端一致（有时候也不用配）；

连接：服务端IP:1521/实例名。