1.找到plsql的安装目录,新建目录C:\Program Files\PLSQL Developer\instantclient\network\admin,新建配置文件tnsnames.ora,内容:
172.16.210.40 =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.210.40)(PORT = 1521))
)
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)
2.打开plsql,tools-preferences-connectionk开始配置文件属性(dll文件不存在也要这样配置)
3.配置环境变量:计算机-》属性-》高级系统设置-》环境变量,增加两个配置:①变量名:TNS_ADMIN 变量值:C:\Program Files\PLSQL Developer\instantclient\network\admin ②变量名:NLS_LANG,变量值:SIMPLIFIED CHINESE_CHINA.ZHS16GBK
4.重新启动plsql,输入登录信息: