plsql安装过程

plsql安装过程：
 1 先安装oracle客户端(win23_11gR2_client)
 2 安装plsql
 3 修改配置文件 增加目的地oracle的链接信息

    修改文件为： tnsnames.ora

   内容为：

192.168.201.28 =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.201.28)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = orcl)
    )
  )

192.168.201.26 =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.201.26)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = meitao)
    )
  )