实 验 四 Delphi编程基础和控件的使用实 验 五 数据窗口编程实 验 六 综合应用编程-four experimental basis and the Delphi programming controls the use of experimental data window Programming five experimental six integrated application programming

数据库系统原理课件,讲解数据库基础知识及实验-Principles of Database Systems courseware, to explain database basics and experimental

主要是sql的实验，附加有数据库系统基础教程中文版书籍，很全面，是很好的实验参考文件。-Sql experiment, additional database system tutorial, the Chinese version of the book, very comprehensive, is a good test reference document.