码迷,mamicode.com
首页 >  
搜索关键字:fetch data from data    ( 119818个结果)
shell中的Mysql查询
1 #!/bin/bash 2 #查询 3 echo -e 4 for i in `cat id.txt` 5 do 6 A=`mysql -h10 -uw -p2012 -Ne "select Id,Name,User_Logindate from info where Id=$i"`...
分类:数据库   时间:2014-05-27 18:08:04    阅读次数:341
简单的水印输入框
using System;using System.Collections.Generic;using System.Text;using System.Windows;using System.Windows.Controls;using System.Windows.Data;using Sys...
分类:其他好文   时间:2014-05-27 17:59:24    阅读次数:272
sql语句删除表所有记录
方法一:DELETE 语句要记录对每行的删除操作。不会把数据完全删除,只是标注起来。delete from tablename where 1=1方法二:TRUNCATE TABLE 语句是一种快速、无日志记录的方法;只记录整个数据页的释放。Truncate Table tablename
分类:数据库   时间:2014-05-27 17:57:22    阅读次数:352
Building the Unstructured Data Warehouse: Architecture, Analysis, and Design
earn essential techniques from data warehouse legend Bill Inmon on how to build the reporting environment your business needs now!Answers for many val...
分类:其他好文   时间:2014-05-27 17:47:41    阅读次数:361
二级菜单通过一个ID查找父级ID
select `id`,`name`,`pid` AS `q_pid`,(select id From qiyu_gift_category where id = q_pid ) as root_id from qiyu_gift_category WHERE id = 1SELECT `id` ....
分类:其他好文   时间:2014-05-27 16:59:40    阅读次数:218
Definition of:payload
(1)Refers to the "actual data" in a packet or file minus all headers attached for transport and minus all descriptive meta-data. In a network packet, ...
分类:其他好文   时间:2014-05-27 15:39:17    阅读次数:277
那些琐碎的知识-----登录验证码
1、新建文件CheckCode.aspx 前台不用写,后台代码为: using System;using System.Data;using System.Configuration;using System.Collections;using System.Web;using System.We....
分类:其他好文   时间:2014-05-26 18:04:47    阅读次数:207
XEvent – SQL Server Log文件对磁盘的写操作大小是多少
原文:XEvent – SQL Server Log文件对磁盘的写操作大小是多少本篇是上一篇SQL Server Log文件对磁盘的写操作大小是多少的续,使用XEvent收集SQL Server Data文件和Log文件的写大小,脚本如下:DECLARE @DBNAME VARCHAR(256)SE...
分类:数据库   时间:2014-05-26 17:54:07    阅读次数:355
索引01
1技术原理编辑索引是对数据库表中一个或多个列(例如,employee 表的姓氏 (lname) 列)的值进行排序的结构。如果想按特定职员的姓来查找他或她,则与在表中搜索所有的行相比,索引有助于更快地获取信息。例如这样一个查询:select * from table1 where id=10000。如...
分类:其他好文   时间:2014-05-26 17:39:26    阅读次数:351
c++堆栈实现
A Stack is a data-structure that You can only add an element to the top of the Stack, andYou can only read or remove an element also from the top.Plea...
分类:编程语言   时间:2014-05-26 17:10:21    阅读次数:540
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!