配置Oracle本地Net服务名, 我理解为在本地用PL/SQL链接远程数据库。
方法一：
打开oracle的Net Configuration Assistant，选择“本地Net服务名配置”，按部就班进行配置即可。
参考资料：
http://blog.csdn.net/bigbighello/article/details/4538622
http://database.ctocio.com.cn/482/12201982.shtml
http://wenku.baidu.com/view/6be6681aa8114431b90dd8ee.html
方法二：在OracleInstantclient客户端文件夹的tnsnames.ora中直接新增配置。
# tnsnames.ora Network Configuration File: D:\OracleInstantclient_11_2\tnsnames.ora
# Generated by Oracle configuration tools.
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LOCALORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)
