SQL Server 2005无法启动~！！！！
2010-05-05 13:35:52.06 Server Microsoft SQL Server 2005 - 9.00.1399.06 (Intel X86)
Oct 14 2005 00:33:37
Copyright (c) 1988-2005 Microsoft Corporation
Developer Edition on Windows NT 5.1 (Build 2600: Service Pack 3)
2010-05-05 13:35:52.06 Server (c) 2005 Microsoft Corporation.
2010-05-05 13:35:52.06 Server All rights reserved.
2010-05-05 13:35:52.06 Server Server process ID is 2848.
2010-05-05 13:35:52.06 Server Logging SQL Server messages in file 'C:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\LOG\ERRORLOG'.
2010-05-05 13:35:52.06 Server This instance of SQL Server last reported using a process ID of 3348 at 2010-5-5 13:35:11 (local) 2010-5-5 5:35:11 (UTC). This is an informational message only; no user action is required.
2010-05-05 13:35:52.06 Server Registry startup parameters:
2010-05-05 13:35:52.06 Server -d C:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\DATA\master.mdf
2010-05-05 13:35:52.06 Server -e C:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\LOG\ERRORLOG
2010-05-05 13:35:52.06 Server -l C:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\DATA\mastlog.ldf
2010-05-05 13:35:52.10 服务器 SQL Server is starting at normal priority base (=7). This is an informational message only. No user action is required.
2010-05-05 13:35:52.10 服务器 Detected 2 CPUs. This is an informational message; no user action is required.
2010-05-05 13:35:52.51 服务器 Using dynamic lock allocation. Initial allocation of 2500 Lock blocks and 5000 Lock Owner blocks per node. This is an informational message only. No user action is required.
2010-05-05 13:35:52.54 服务器 Attempting to initialize Microsoft Distributed Transaction Coordinator (MS DTC). This is an informational message only. No user action is required.
2010-05-05 13:35:52.56 服务器 The Microsoft Distributed Transaction Coordinator (MS DTC) service could not be contacted. If you would like
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Microsoft SQL Server 2008 对 T-SQL 语言进行了进一步增强。为了让开发人员尽快了解这些变化，我们针对 2007 年 6 月 CTP 版本的 SQL Server 2008 中的 T-SQL 语言的新增功能进行了分析和尝试。本文描述自 SQL Server 2008 CTP1 以来这些语言增强和变化。
本文包含如下内容：
· T-SQL 行构造器
&mid ......
从Table 表中取出第 m 条到第 n 条的记录：(Not In 版本)
SELECT TOP n-m+1 *
from Table
WHERE (id NOT IN (SELECT TOP m-1 id from Table ))
--从TABLE表中取出第m到n条记录 (Exists版本)
SELECT TOP n-m+1 * from TABLE AS a WHERE Not Exists
(Select * from (Select Top m-1 * from TABLE orde ......
Student(S#,Sname,Sage,Ssex) 学生表
Course(C#,Cname,T#) 课程表
SC(S#,C#,score) 成绩表
Teacher(T#,Tname) 教师表
问题：
1、查询“001”课程比“002”课程成绩高的所有学生的学号；
select a.S# from (select s#,score from SC where C#='001') a,(select s#,score
fr ......
1.什么叫SQL注入？如何防止？请举例说明
答：SQL注入是常见的利用程序漏洞进行攻击的方法。导致sql注入攻击并非系统造成的，主要是程序中忽略了安全因素，利用sql语言漏洞获得合法身份登陆系统
例如：
"Select * from users where name='"+uName+"' and pwd='"+uPwd+"' " ......
