SQL参考

在远距离数据通信中，为确保高效而无差错地传送数据，必须对数据进行校验即差错控制。循环冗余校验CRC(Cyclic Redundancy Check/Code)是对一个传送数据块进行校验，是一种高效的差错控制方法。-in long-distance data communication, in order to ensure efficient without error to transmit data, the data must check that the error control. Cyclic Redundancy Check (Cyclic Redundancy Check/Code) is to block transmission of data over a check out, is a highly efficient error control methods.

从数据库抽取数据，用来进行复杂数据的处理-Collected data from the database, used for complex data processing

数据结构课程设计，校园咨询，为来访客人提供方便查找景点，最短路等信息-data structure course design, campus counseling, visitors find convenient spots, the most short-circuit, and other information

银行定储模拟程序-Reserve Bank is scheduled simulation program

这是一个简单易懂的crc计算方法，选择你要计算的文件，准确计算crc值。-This is a simple and easy to unicef.org calculation method to calculate your choice of paper, accurate calculation unicef.org value.

快速排序 基本思想：通过一趟排序，将待排序记录分割成独立的两部分，其中一部分记录的关键字均比另一部分记录的关键字小，则可分别对这两部分记录进行排序，以达到整个序列有序-Basic idea of quicksort: sort through the trip, will be to sort records is separated into two independent parts, some of which are recorded in another part of the record than keyword keyword small, then the two were part of the record sort, so as to achieve the entire sequence of orderly

6个经典数据结构JAVA解法，供学习。-six classic data structures Java Solution for learning.

PostGIS 是一个开源程序，它为对象－关系型数据库PostgreSQL提供了存储空间地理数据的支持，使PostgreSQL成为了一个空间数据库，能够进行空间数据管理、数量测量与几何拓扑分析。PostGIS 实现了Open Geospatial Consortium所提供的Simple Features的SQL实现参考。

access数据库，实现教务管理的功能-access databases, realize the functions of educational administration

停车场管理系统，比较复杂，供大家学习参考！-car park management system, more complex, for your study reference!