plsql安装后连接oracle数据库

1.下载oracle客户端并安装
2.打开plsql,选择工具-》首选项
      oracle主目录名:D:\tools\oracle\product\10.2.0\client_1(客户端的主目录)
      oci库:D:\tools\oracle\product\10.2.0\client_1\oci.dll
3.将tnsnames.ora文件拷贝到oracle主目录下( D:\tools\oracle\product\10.2.0\client_1
4.添加环境变量
      TNS_ADMIN=D:\tools\oracle\product\10.2.0\client_1(tnsnames.ora文件所在的目录)
      NLS_LANG=SIMPLIFIED CHINESE_CHINA.ZHS16GBK

hecheng =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 222.247.54.151)(PORT = 8084))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = orcl)
    )
  )

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转载自blog.csdn.net/csdnjquery163com/article/details/79130011