plsql的开发基础，里面大部分为总结出来的

lob、beiles、default、out参数、nocopy编译器...等等plsql中基本的操作和技术信息，还有一些小小的联系，对于初学者来说，是一个很好的学习资料-plsql development foundation, which summed

lob, beiles, default, out parameters, nocopy compiler ... plsql in basic operations and technical information, there are some small contact is a good learning materials for beginners,