很好的SQL教程（21天学会SQL）

这是一个关于SQL的资料，对你进一步了解SQL很有帮助的。-This is a information about SQL, the further you know SQL very helpful.

这是在做毕业设计的时候，编写的SQL Server数据库的备份与恢复功能，通用性很强的-This is the time to do graduation project, the preparation of the SQL database backup and recovery capabilities, a strong general

能有效的实现加油站的管理,更好的应用于实践 -can achieve effective management of the stations, better applied to practice

摘要：本程序将建立一个用邻接表方式存储的有向图，可以进行插入顶点或边的操作，可以输出有向图的信息或输出该有向图的拓扑有向序列。-Abstract: This procedure will create a stored using adjacency list of the directed graph that can be inserted into the operation of vertex or edge, you can output to the map information or the output of the topology graph has to have the sequence.

北风数据库代码. 推荐环境： MySQL(Northwind database in SQL. Recommend environment : MySQL)

vb与数据库的一些需要我们注意的地方-vb database of some of the places we need to pay attention to

员工信息管理系统 -staff information management system staff info rmation management system staff information management system

一个很好的sqlserver2000数据库函数包希望大家喜欢-A very good SQL Server 2000 database function package hope that everyone likes

xls2sql 将Microsoft的Excel文件导入MSSQL中-xls2sql will be Microsoft

在SQL中删除重复记录 学习sql有一段时间了，发现在我建了一个用来测试的表（没有建索引）中出现了许多的重复记录。后来总结了一些删除重复记录的方法，在Oracle中，可以通过唯一rowid实现删除重复记录；还可以建临时表来实现...这个只提到其中的几种简单实用的方法，希望可以和大家分享（以表employee为例）。-SQL delete duplicate records sql learning for a long time, I found in a building used for the test (not built Index) There"s a lot of duplication of records. Later up in the deletion of duplicate records, Oracle, can only achieve rowid delete duplicate records; Also temporary tables can be built to achieve ... the only mention of several simple, practical methods, and we hope to share (table employee example).