In the past four blogs, we attached importance to the index, including description and comparison with usage of index. Now in this blog, we will mainly focus on the basic operation of index. such quer...
分类：
数据库 时间：
2014-10-22 01:05:29
阅读次数：
270
Methods, apparatus, and systems, including computer programs encoded on a computer storage medium, manage an address space. In some implementations, a...
分类：
其他好文 时间：
2014-10-20 23:17:52
阅读次数：
356
ByHellinger Software.Class to handle text files as memory mapped files.Including efficient methodes for access like sequentiell reador random access r...
分类：
其他好文 时间：
2014-10-20 09:58:03
阅读次数：
251
A data processor supports the use of multiple memory models by computer programs. At a device external to a data processor, such as a memory controlle...
分类：
其他好文 时间：
2014-10-14 19:30:19
阅读次数：
248
??
1、什么是sizeof
首先看一下sizeof在msdn上的定义：
The sizeof keyword gives the amount of storage, in bytes, associated with a variable or a type (including aggregate types). This keyword returns a value...
分类：
其他好文 时间：
2014-10-11 11:06:15
阅读次数：
239
Eclipse Kepler?4.3.2 SR2?is the most recent release from the Eclipse top-level project. It contains what you need to build applications based on Eclipse technology, including integrated developm...
分类：
系统相关 时间：
2014-10-08 15:10:55
阅读次数：
457
Implement wildcard pattern matching with support for '?' and '*'.'?' Matches any single character.'*' Matches any sequence of characters (including th...
分类：
其他好文 时间：
2014-10-08 11:12:55
阅读次数：
249
createusermccidentifiedbymanager;这里注意密码不要用单引号扩起来。dropusermcccascade;直接删掉用户createusermccidentifiedbymanagerdefaulttablespacemcc01temporarytablespacetmp;创建用户并制定默认表空间。createtablespacemcc01datafile‘/data/gps01.dbf‘size200Munif..
分类：
数据库 时间：
2014-10-04 04:57:16
阅读次数：
232
This paper provides an overview and some conclusions from the HOUSING datasets disposed by the classical algorithms Kmeans and Hierarchical clustering. The total process of the project is divided into five parts including data preprocessing, selecting the ...
分类：
其他好文 时间：
2014-10-03 13:14:24
阅读次数：
141
Implement wildcard pattern matching with support for'?'and'*'.'?' Matches any single character.'*' Matches any sequence of characters (including the e...
分类：
其他好文 时间：
2014-10-02 16:44:03
阅读次数：
157
