oracle实验课程，里面包括从简单的oracle起步，到最终开发的一个比较有深度的以oracle为后台的应用程序-oracle experimental courses, which range from simple starting oracle, to the final development of a more in-depth background oracle applications for

Oracle课程的实验代码 简单的触发器、SQL语句等题目的实现(The experimental code of the Oracle course The implementation of simple triggers, SQL statements and other topics)