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Speed up the execution of SQL Use sort, or join in a 1.select statement If you have a sort and join operation, you can select the data into a temporary table before processing the temporary table. Because temporary tables are built in memory, they

A. Test topology: Reference Link: http://blog.sina.com.cn/s/blog_52ddfea30100gf4r.html Http://www.cisco.com/en/US/docs/ios/sec_user_services/configuration/guide/sec_vpn_ac_802_1x.html Two. Basic ideas: A. Branch offices Configure Site-to-site

The author from 98 into the field of database and data warehousing has been nearly eight years of time, the data modeling work contact more, innovative dare not talk about, this article will be working experience summed up for everyone to discuss

I. Overview: In the actual work can often see a strong SSL VPN can bypass deployment, and support routing mode and NAT mode: Router mode requires intranet to VPN assigned address pool address can be router; NAT mode, VPN Client access intranet host,

Second, encrypt the database password You can encrypt some database passwords by Goldengate, and you can encrypt database passwords in roughly 3 of the following. Goldengate Extract, Replicat process and other processes login to the database

The home network infrastructure involves both hardware and software, at present, most developers do not design wireless network nodes in the house, so the equipment also needs their own layout, the main process is the wiring design of the bare house

Access network refers to the "user interface and Business node interface between the implementation of the host function of the entity." Access network basically includes transmission system, multiplexing equipment, user/network interface, digital

Niewandong: Leaders, ladies and gentlemen, first of all, I would like to thank the organizers and organizers of this event, I feel that the topic of this conference is very good, wireless entertainment, subversion of your life. In fact, from the

The primary purpose of monitoring the performance of ISA Server is to enable managers to get relevant alerts in a timely manner to view and address problems when the server is in an unusual situation. Open the ISA Management Console, expand the

Jene flutter graph (all subnet masks are 255.255.255.0): PC (10.1.1.2)---E0 (10.1.1.1) [Routera]s0 (192.1.1.1)---S1 (192.1.1.2) [Routerb] Do a one-way access to the network in fact, the basic function of the firewall: I am intranet, you are

Microsoft has released the RC preview of Windows XP SP3 and Windows Vista SP1 Two system upgrades, the latter in particular Microsoft's focus, after all, Microsoft does not want to let XP SP3 attract too many users to stay old system, further

Firewall has become a key component in the construction of enterprise network. But there are a lot of users, that the network has a router, you can achieve some simple packet filtering function, so why use a firewall? The following is a comparison

Everyone knows a very remote Windows Design vulnerability: System Recovery control Center. With this platform, you can gain access to the Administrator and view any file on your hard disk. The most important thing is that it doesn't require you to

This article puts forward the intelligent firewall, this kind of firewall is smarter and smarter, overcomes the traditional firewall's "one tube to die, one puts on the chaos" condition, the revision above firewall's important assumption is "refuses

These two days have been in the process of Veritas. After a few days of work, publish your own Veritas installation recording process. The VERITAS package contains the following: VRTSVXVM------VERITAS Volume Manager software. Vrtslic------VERITAS

Originally, my suggestion is in the BIOS to modify the hard drive settings, set the hard drive for compatibility mode, do not Archi mode. As a result, friends on the internet said that there was no way to install, we studied for more than 20 days,

Ghost is not able to do a full backup of the hard drive, or to back up the UNIX Linux special file system, only by using a bitwise backup to fully mirror all the data on the source device. However, this type of bitwise (sector) backup software is

A survey of different angles produces bizarre results. A few days ago, I saw a survey on the internet that showed that Apache's market share is shrinking, while Microsoft's IIS market share in the Web server sector is climbing. I was surprised to

Content filtering proxy Server helps administrators control Internet access during content transfer, it is often used in institutions, schools to ensure that the use of the Internet is in accordance with its own use strategy, content filtering agent

For a variety of reasons, we sometimes need to set up multiple Web sites on an IP address, and in IIS5 we may be able to achieve this goal by simply setting. In IIS, each WEB site has a unique, three-part identity to receive and respond to requests: