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SQL select join: is it possible to prefix all columns as 'prefix.*'?

I'm wondering if this is possible in SQL. Say you have two tables A and B, and you do a select on table A and join on table B: ...
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Add IIS 7 AppPool Identities as SQL Server Logons

...r message about it not being found). How I've gotten it to work is: In SQL Server Management Studio, look for the Security folder (the security folder at the same level as the Databases, Server Objects, etc. folders...not the security folder within each individual database) Right click logins an...
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Explicit vs implicit SQL joins

... Performance wise, they are exactly the same (at least in SQL Server). PS: Be aware that the IMPLICIT OUTER JOIN syntax is deprecated since SQL Server 2005. (The IMPLICIT INNER JOIN syntax as used in the question is still supported) Deprecation of "Old Style" JOIN Syntax: Only A P...
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C++中判断文件、目录是否存在的几种方法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...ifstream 在C++中,可以利用ifstream文件输入流,当我们直接使用ifstream来创建文件输入流的时候,如果文件不存在则流创建失败。 ifstream fin("hello.txt"); if (!fin) { std::cout << "can not open this file" << endl; 这是c++中最常用的方式。 ...
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MFC CSplitterWnd的用法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

...详解用MFC开发一个软件界面中需要拆分多个试图窗口时,使用CSplitterWnd类CSplitterWnd类主要用在创建一个拆分试图窗口。通常嵌入在框架窗口中(...用MFC开发一个软件界面中需要拆分多个试图窗口时,使用CSplitterWnd类 CSplitterWnd类主...
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c++ ostream,ostringstream基本用法(使用\' - C/C++ - 清泛网 - 专注C/C++及内核技术

c++ ostream,ostringstream基本用法(使用'
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解决MFC使用ShowWindow(SW_MAXIMIZE)任务栏被遮住的问题 - C/C++ - 清泛网 ...

解决MFC使用ShowWindow(SW_MAXIMIZE)任务栏被遮住的问题重载OnGetMinMaxInfo消息处理函数解决,代码如下:BEGIN_MESSAGE_MAP(CxxxDlg, CDialogEx)...ON_WM_GETMINMAXINFO()END_MESSAGE_MAP()...a...重载OnGetMinMaxInfo消息处理函数解决,代码如下: BEGIN_MESSAGE_MAP(Cx...
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MFC 时间控件CDataTimeCtrl使用(获取日期、时间字符串等) - C/C++ - 清泛...

MFC 时间控件CDataTimeCtrl使用(获取日期、时间字符串等)设置显示格式: 只显示小时( (CDateTimeCtrl*)GetDlgItem(IDC_StartHour) )->SetFormat(_T("HH"));获取控件的:CTime m_date;( (CDa...设置显示格式: //只显示小时 ( (CDateTimeCtrl*)GetDlgItem(IDC_S...
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C++ 智能指针shared_ptr,weak_ptr,shared_from_this实践 - C/C++ - 清泛网 - 专注C/C++及内核技术

...。auto去接等同强指针。weak_ptr 传给thread、timer回调,不能使用expired()判断 new XXX(shared_from_this()) 如果用强指针去接,则增加引用计数;弱引用去接,不增加引用计数。auto去接等同强指针。 weak_ptr 传给thread、timer回调,不能使...
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WordPress网站地图自动生成插件:Baidu Sitemap Generator - 开源 & Github...

...图自动生成插件,也是在网上找的,今天分享给大家一起使用。作者叫柳城,在此谢谢他 了。一个好的博客...插件分享: 本站现在用的的百度网站地图自动生成插件,也是在网上找的,今天分享给大家一起使用。作者叫柳城,...