非常经典和数据库连接管理程序

Oracle资料大集合-great gathering information on Oracle

非常实用的NET的SQL 程序-A very useful NET s SQL progam.

表达式求值，包括栈的读写，创建，释放，可以求借一般四则运算，带括号等-expression evaluates, including stacks of reading and writing, to create, release and should seek through four general computing, with brackets, etc.

实现heap排序的算法，首先把Heap建立起来，然后通过对Heap的根节点来找出当前最小的节点，依次就可以实现排序了。-achieve heap sorting algorithm to first establish Run, then Run right through the current nodes to identify the smallest nodes can be followed to achieve the ranking.

发货查询系统作业，delphi 写的,演示 数据库德操作和 打印输出-this is a test for delphi and access

最小二乘逼近（least-squares approximation）得到一组离散（discrete）数据点的近似函数（approximating function），实验数据往往是用最小二乘逼近得到一条秘密曲线（curve fitting）。下面概述的是最小二乘近似作为多项式的近似函数，除了多项式外，指数的几个右公式也可以作为类似的函数使用。关于最小平方近似的计算原理，请参考市场上的数值分析书籍

一个简单还原二叉树并在屏幕输出树形的小程序，帮同学做的数据结构作业，估计对初学者会有些帮助-Restore a simple binary tree and tree on the screen output of the applet to help students to do homework data structure, it is estimated that it might be useful for beginners

wince扩展数据库编程中利用ADO访问Access数据库-wince extended database programming using ADO to access Access database

结构数据的读写是指从"流"文件中读取数据存入结构，或将结构数据写入"流"文件。我们可以用以下两种方法进行结构数据的文件读写-read and write data structure is defined as "the flow" paper read data are stored in the structure or structures to write data "flow" document. We can use the following two methods for the structure of documents to read and write data

要求完成以下功能： 1)能够从屏幕上读取一个学生的信息并将信息存入到数据文件中。 2)能够将指定的信息从文件中删除。 3)能够按编号、姓名对学生的信息进行检索并将检索结果显示在屏幕上。 4)可以统计全部学生的总成绩，及其在班上的排名。 5)能够统计各科的平均成绩及及格率。 6)要求有错误提示功能，例如性别只能输入男女，输入错误提示重新输入。 7)如果检索不到相应的信息应提示用户。-asked to perform the following functions : 1) to read from the screen of a student"s information will be deposited into the data file. 2) can be designated information deleted from the document. 3), according to numbers, the names of the students will retrieve information retrieval results showed on the screen. 4) Statistical all students can be a total score, and the class rankings. 5) Statistics Branch to the average scores and passing rates. 6) require a functional error messages, such as sex between men and women can only import, importation of error messages to re-enter. 7) If less than the corresponding retrieval of information should prompt the user.