PL/SQL连接远程数据库
在oracle安装目录下 D:\softset\OracleXE\app\oracle\product\10.2.0\server\NETWORK\ADMIN找到tnsnames.ora文件 用编辑器打开
如下在里面加入Oracle服务器信息DB = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 服务器地址)(PORT = 端口通常是1521)) ) (CONNECT_DATA = (SERVICE_NAME = 服务名称) ) )如：
ORCL_23 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.23)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = orcl)
)
)
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