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C2£ºÈ¨ÏÞ¿ØÖƱ£»¤£ºÓû§¶Ô×Ô¼ºµÄÐÐΪ¸ºÔð£»ÏµÍ³¿ÉÒÔ¸ú×ÙËùÓйý³ÌºÍ¼Ç¼ij¸öÓû§µÄÐÐΪ¡£·ÀÖ¹¶ÔÏóÖØÒýÓ㬲¢±£Ö¤ÏµÍ³°²È«ÐÔ¼àÊÓÆ÷µÄЧÁ¦¡£Óû§¿ÉÒÔÉ趨±ðÈ˶Ô×Ô¼ºÊý¾ÝµÄȨÏÞ¡£
B1£º±êÖ¾°²È«ÐÔ±£»¤£ºÒªÇóÌرðµÄ°²È«ÐԼƻ®£¬ËùÓеı£ÃÜÊý¾Ý¶¼Òª¼ÓÒ»±êÖ¾£¬ÔÚϵͳÖд«µÝÕâЩÊý¾Ýʱ±ØÐëºË¶Ô±êÖ¾¡£Óû§²»ÄÜ×Ô¼º¸Ä±äÕâЩ±êÖ¾¡£
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B3£º°²È«Óò£ºÒªÇó°²È«ÐÔϵͳ¾¡¿ÉÄÜС£¬ÅųýÒ»ÇÐÎÞȨÏÞ´úÂëÖ´ÐС£ÕâЩ´úÂë¿ÉÄܲ»ÀûÓÚϵͳµÄ°²È«ÐԺͲâÊÔ£¬ÒªÇóÓи½¼ÓµÄÓйذ²È«ÐÔ¹ÜÀíµÄ¹¤¾ß¡£ÏµÍ³±ØÐëÓкÜÇ¿µÄ·´ÎÞȨ¸Ä¶¯ºÍÇÖÈë¡£
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2.2 CLASS (C2): CONTROLLED ACCESS PROTECTION
Systems in this class enforce a more finely grained discretionary access control than (C1) systems, making users individually
accountable for their actions through login procedures, auditing of security-relevant events, and resource isolation. The 
following are minimal requirements for systems assigned a class (C2) rating:
Security Policy
Discretionary Access Control
The TCB shall define and control access between named users and named objects (e.g., files and programs) in the ADP system. 
The enforcement mechanism (e.g., self/group/public controls, access control lists) shall allow users to specify and control 
sharing of those objects by named individuals, or defined groups of individuals, or by both, and shall provide controls to 
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MysqlµÄDBHelper.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using MySql.Data.MySqlClient;
namespace i_salesDAL
{
public class DBHelper
{
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private static MySqlConnection connection;
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Quick Test Setup of MySQL Cluster


To familiarize you with the basics, we will describe the simplest
possible configuration for a functional MySQL Cluster. After this,
you should be able to design your desired setup from the
information provided in the other relevant sections of this
chapter.
......

MySQL ÖÐÎÄÏÔʾÂÒÂë

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MySQL ClusterÅäÖÃstep by step

MySQL ClusterÅäÖÃstep by step
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MySqlµÄ±íÀàÐÍ

create database sample;
create table 't_user' (
    'id' int(11) not null auto_increment,
    'name' varchar(100) not null default '',
    primary key ('id')
) type=myisam;
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