oracle桌面工具plsql连接本地远程数据库

D:\oracle\Oracle_11g\product\11.2.0\dbhome_1\NETWORK\ADMIN

找到  tnsnames.ora   文件

打开添加远程数据库的参数,例如:

ORACLE11 =

   (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.121)(PORT = 1521))
      (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = oracle11)
   )

)

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