精心收集整理的各种SQL语句示例，帮助您更加容易的熟悉和使SQL。 1 DECLARE @local_variable 1.1 使用 DECLARE 以下示例将使用名为 @find 的局部变量检索所有姓氏以“Man”开头的联系人信息。 USE AdventureWorks; GO DECLARE @find varchar(30); SET @find = 'Man%'; SELECT LastName, FirstName, Phone FROM Person.Contact WHERE L
Author: Tim Converse and Joyce Park with Clark Morgan Published by Wiley Publishing, Inc. Prefix Part I: PHP: The Basics 1 Chapter 1: Why PHP and MySQL? 3 Chapter 2: Server-Side Web scr ipting 19 Chapter 3: Getting Started with PHP 35 Chapter 4: Add
自编五子棋游戏 using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; namespace FiveStones { public partial class frmMain : Form { //定义棋盘 private
Copyright iv Deitel® Books, Cyber Classrooms, Complete Training Courses and Web-Based Training Courses published by Prentice Hall ii Preface xxv Features in Java How to Program, 6/e xxvi Teaching Approach xxix Tour of the Book xxxiii A Tour of the O
oracl 和db2 常用语法比较： 1、取前N条记录 Oracle：Select * from TableName where rownum <= N; DB2：Select * from TableName fetch first N rows only; 2、取得系统日期 Oracle：Select sysdate from dual; DB2：Select current timestamp from sysibm.sysdummy1; 3、空值转换 Oracle：Select
