mysql-manual

1． 了解备份设备的概念并掌握如何管理备份数据库保护包括数据库恢复，并发控制，数据库的安全性控制4个部分设备，掌握完全备份和还原的基本技术-1. Backup equipment understand and grasp the concept of how to manage database backup protection, including database recovery, concurrency control, database security control of four some of the equipment, master backup and restore fully the basic skills

说明：  SQL2005通过存储过程实现金额转账功能(SQL2005 stored procedure through the realization of the amount of the transfer function)

一个进存销管理系统，系统很简单，开发为vb加access。可以做参考用-deposit into a sales management system, the system is very simple, the development of the vb increase access. Reference can be done

影碟出租系统~vc++进行数据库sql管理的经典程序..已调好-DVD Rental System ~ vc++ Database sql management classic procedure .. have had a good

这个是我以前做的一个客户管理系统.包内已经含有源码和所用到的控件.代码是用VB写的,数据库采用MSSQL的.-this is what I do before a customer management system. Pack containing the source code and has been used by the controller. The code is VB write, the database using MSSQL.

linqpad工具，可直接操作linq语句，并与sqly语言进行互相转换(Linqpad tool, which can directly manipulate LINQ statements and convert with sqly language)

An exception, which is subclass of SQLException, is thrown when various data errors arise. These errors including division by 0 and invalid arguments to functions.

SQL抓取数据，BBS数据采集，方便浏览各用户需要-SQL crawl data, BBS data collection to facilitate access by all users need to

简单的网络书店，拓展了很多功能，sqlserver数据库(A simple online bookstore, expanded many functions, SQLSERVER database)

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).