你建库了没?找到下面这个文件 D:\oracle\ora90\network\ADMIN\tnsnames.ora
如果你建好库里就有类似的一段代码:
xxxx =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = *.*.*.*)(PORT = 1521))
)
(CONNECT_DATA =
(SID = *)
)
)
主机字符串就是上面的xxxx
如果你建好库里就有类似的一段代码:
xxxx =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = *.*.*.*)(PORT = 1521))
)
(CONNECT_DATA =
(SID = *)
)
)
主机字符串就是上面的xxxx
这个tns配置文件是很重要的