Oracle导出数据文件（Exp/imp）修改程序，可以解决在不同的Oracle版本，不同的字符集环境下无法导入导出的问题-derived Oracle data files (Exp / imp) modify the program can be solved in different Oracle versions, different character sets impossible conditions for import and export issues

管道技术应用例子，主要用于截获某些程序的输出，并对输出进行处理分析，主要用于数据导入导出等方面-Examples of pipeline technology, mainly used to intercept the output of some programs, and output processing and analysis, mainly for data import and export