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Configure Oracle 11g Data guard based on the same host

Oracle Data Guard provides the most effective and comprehensive data availability, data protection, and disaster recovery solutions for enterprise databases. It integrates management, monitoring, and automated software infrastructure to create and maintain one or more synchronous backup databases, protecting data from faults, disasters, errors, and damages. This article describes how to configure Oracle Data guard

Learn Java from the beginning of the entrance Guard Management (ii)

This system contains four pieces, the first block is the personnel management, managers assigned three people have "ABC" permission, respectively, management of leave application, leave approval, guard registration management. At the same time does not belong to the company's internal personnel, such as other company's personnel if the thought of the company's visit, is also the first through the "ABC" authority of the three people to write a visit ap

Route Exclusive-Component guard

Route exclusive notation:Import vuerouter from ' Vue-router 'new vuerouter ({ routes:[ {path:component:,name:, Beforeenter: ((to,next,from)={ alert (' route exclusive-component guard ') next ()// Jump Next (false)// do not show components under this route } )} ], mode:' History ',})In-component guard: Write within componentExport defalut{ data ()

Sheng Ge 1.1 million drops on Data Guard past and present

Sheng Ge 1.1 million drops on Data Guard past and present Note: More details are available ~ 116 page From birth-> out-of-service full-lifecycle DG edition [departure form] 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131228/220155DM-0.jpg "/>Introduction: Oracle Data Guard is becoming more and more popular in today's industry. Due to its minimal impact on the system, DG can quickly s

Automatic Client switching in the Data Guard Environment

When Data guard is used as the HA solution, one problem to be solved is that the master-slave switchover occurs in the background database. How can the client connection be automatically switched to the new primary database?For general solutions, the client needs to provide automatic reconnection, which is implemented in most java occi connection pools.However, most of these existing implementations are related to the same connection configuration. Th

"Everyday Learning" "Euler function" a problem with the codevs2296 honor solution Guard

Reprint please specify source [ametake copyright all]http://blog.csdn.net/ametake Welcome to seeTitle Source: SDOI2008The article is very serious plagiarism, so I'll bring the copyright informationFirst question.Topic description Narrative Description As a sports commissioner. C June is responsible for the training of the Guard of Honor. The Guard of Honor is composed of the students of N * N Square, in ord

"Bzoj" 2190: [SDOI2008] Honor guard (Euler function)

, and then the original coordinates of the two next to the first, so +2, so the answer is$$1+2\sum_{1#include    DescriptionAs a sports Commissioner, C June is responsible for the training of the honor guard.     Guard of Honor is composed of students of N * N of the square, in order to ensure that the procession uniform, c June will follow the guard of Hon

Sdoi2008 Guard of Honor

Title Description DescriptionAs a sports Commissioner, C June is responsible for the training of the honor guard. Guard of Honor is composed of students of N * N of the square, in order to ensure that the procession uniform, c June will follow the guard of Honor's left rear, according to the number of students in the line of sight to determine whether the team is

Bzoj 2190[sdoi2008] Honor Guard

DescriptionAs a sports Commissioner, C June is responsible for the training of the honor guard.     Guard of Honor is composed of students of N * N of the square, in order to ensure that the procession uniform, c June will follow the guard of Honor's left rear, according to the number of students in the line of sight to determine whether the team is neat (such as

Some experiences on using Kingsoft guard

Kingsoft guard has been in the computer for a while, and has not seen any movements at ordinary times. Today, I checked the virus on the USB flash drive and finally got a little response. By the way, write down some experiences.   1. Some functions are invalid when running in a user account with non-administrator permissionsFor example, the V10 engine of the Kingsoft guard Trojan cannot be enabled.   2. In

360 security guard on, where's the elf?

Many users will be 360 security guards set to open the start, so every time the boot, there will be a 360 security defender of the cartoon characters in the computer screen, the cartoon task is called: 360 security guard on Elf, in addition to the lovely appearance, Through Andy Elf can also directly call some of the 360 security guard functions, such as settings, timing shutdown. However, the recent user t

Instructions for Oracle Data Guard Failover __oracle

The failover of Oracle Data Guard was described in both previous articles, but there was no systematic explanation, so in this paper, DG's failover is described in a systematic note. The processing of failover redo under physical data Guard http://www.cndba.cn/Dave/article/883 Oracle Data Guard Linux Platform Physical Standby Build example http://www.cndba.cn/D

360 What is the guard against losing?

Everyone may not be very understanding of the 360 guard function is what, the following will introduce the 360 guard against the loss of the function of the message, from the hardware name can be seen "anti-loss" is the main function, so in addition to the loss, there are other functions? 360 Just online a website, revealed that the upcoming release of a "360 guard

DDoS denial of service attack and security guard technology

measure for such attacks is QoS, which restricts traffic to such data streams on routers or firewalls to ensure normal bandwidth usage. Simple bandwidth-depleted attacks are easier to identify and discarded. Resource depletion type is an attacker using the server to deal with defects, consuming the key resources of the target server, such as CPU, memory, etc., resulting in the inability to provide normal services. For example, Common SYN flood attacks, Naptha attacks, and so on. The resource ex

The difference between BPDUs guard and BPDU filter

1. The first two are for porfast (only if this feature is enabled, BPDUs Guard and BPDU filter are used) The difference is: when BPDUs are received on a port that has the ports fast feature enabled, BPDU Guard shuts down the port so that the port is in the Err-disable state, which must be manually restored to a normal state if BPDUs Filtering is configured globally, when a port fast port receives BPDUs

Relationship between Data Guard Standby_archive_dest and Log_archive_dest_n

Data Guard Standby_archive_dest and Log_archive_dest_n: www.2cto.com STANDBY_ARCHIVE_DEST is relevant only for a standby database in managed recovery mode. it specifies the location of archive logs arriving from a primary database indicates the effect of Standby_archive_dest ON the Standby_archive_dest parameter, in fact, it was dispensable from 10g R2 and marked as obsolete in 11g, I no longer support www.2cto.com. My attitude is that for outdated th

Oracle] Data Guard Analysis of Switchover and Failover

The following is a detailed analysis of the use of Switchover and Failover in Oracle. For more information, see Role Switching between Data Guard master and slave databases is divided into the following two types:1) SwitchoverSwithchover is generally designed to switch roles, such as upgrading. It is usually lossless, that is, there will be no data loss.Its execution is divided into two phases:1. convert Primary to Standby2. Convert Standby (one) to P

[Oracle] Data Guard-Redo Application

[Oracle] Data Guard-Redo applications physical Standby and logical Standby Log application services are divided into two types, one is physical Standby Redo applications, similar to media recovery, its advantage is that the speed is fast, but in 10g cases, Standby must be in the mount State and cannot share part of the read load for Primary (physical Standby can apply redo in the case of open in 11g ). There is also a logic Standby SQL application tha

[Oracle] Data Guard series (6)-role conversion

[Oracle] Data Guard series (6)-role conversionThe core function of DG is to provide high-availability Disaster Tolerance. Therefore, the role conversion content described in this section is the most important part of DG. Role Switching between master and slave databases of DG is divided into the following two types: 1) SwitchoverSwithchover refers to role switching between master and slave databases (master database is changed to slave database, slave

[Oracle] Data Guard series (3)-log application

[Oracle] Data Guard series (3)-log application Redo application or SQL application? We know that there are two types of standby databases: Physical standby database and logical standby database. The log application of the physical standby database is called the Redo application, the log application of the logical standby database is called the SQL application. The so-called Redo application refers to the logs transmitted from the master database in th

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