利用oracle数据库的blob字段保存各种文件的方法

Using Binary Large Field to Save all Documents Method

在日常工作中，许多单位或企业都累积了大量的文件。如何保存和组织这些文件，如何高效地查阅和使用它们，则成了一个普遍存在的问题。为解决这一问题，用powerbuilder作为开发工具编写了一个小软件，通过运行特殊的SQL语句，将各种文件保存于oracle的二进制大字段中，并可以随时查看和下载文件。

In their daily work, many units or enterprises have accumulated a lot of documents.How to store and organize these documents, how to effectively access and use them, then became a widespread problem.In order to solve this problem, using PowerBuilder as a design- er tool to write a small software, by running a special SQL statements, the files are stored in the Oracle binary large field, and can be readily viewed and downloaded.