PL/SQL Developer远程访问Oracle数据库

安装oracle对应的版本 ，在oracle的安装目录找到oracle\product\11.2.0\dbhome_1\NETWORK\ADMIN\tnsnames.ora这个文件添加上数据库访问的串

LWZC =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = [服务器地址])(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = [数据库id])
)
)

然后重新启动plsql developer .