摘要：如下兩個表(A)IDaName---------------------------------1a2b3c4d5e(B)IDbName---------------------------------4d5e6f7g8h查詢結果IDaNamebName---------------------------------------------------------1aNULL2bNULL3cNULL4dd5ee6NULLf7NULLg8NULLhcreatetableA(IDintprimarykey,aNamevarchar(50))createtableB(IDintprimarykey 阅读全文

摘要：usingSystem;usingSystem.Collections.Generic;usingSystem.Windows.Forms;usingSystem.Diagnostics;usingSystem.Reflection;namespaceWindowsApplication1...{staticclassProgram...{/**////<summary>///應用程式的主要進入點。///</summary>[STAThread]staticvoidMain()...{Processp=checkApp();if(p==null)...{Applicat 阅读全文