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1 August 2010 22:07:51The conversation about Kerberos (MIT)Athena and ZeusAthena and Zeus ' dialogue on the keeper of the Gates of HellKerberos:network Authentication ProtocolThe term Kerberos is derived from the Greek mythology "three-head dog-the gate Keeper of Hell" Kerberos is a network authentication protocol designed to provide a powerful authentication service for client/server applications through a key system. The implementation of the authen
To the champions of the Glory game players to detailed analysis to share the new hero Athena and Zhong Kui contrast. Analytical sharing: Beautiful poster of Athena The glory of the King, the new heroes Athena and Zhong Kui who is more powerful: New hero Athena in the launch
WA was a mess during the competition ~~ Reason !.. Careless reading !! The output of the previous question is Case #1: 0, and this question is Case 1: 1... the same set of questions... The idea is simple .. which can generate defense results .. it is nothing more than a circle that can enclose Athena or a monster .. while while a circle simultaneously holds Athena and the monster .. there is no defense effe
1. Back up database Concept: it refers to backing up all data files and control files of the database, and also backing up parameter files and password files. Note: When backing up a database, do not back up redo logs. 1.1 Consistent backup Concept: Database Consistency backup refers to the method for backing up all data files and control files after the database is disabled. When the SHUTDOWN command is u
Cold backup: Cold backup is completed in archive mode. Close Database Back up all data files, initialization parameter files, control files, redo logs, and archived redo logs.Parameter file: Show parameter spfile;Control File: Select * from V $ controlfile;Redo log file: Select * from V $ logfile;Archive log files: Select sequence #, first_time v $ loghist; Hot Bac
1. Current mainstream backup technologies Data backup: That is, the data is backed up, the data to be stored is copied directly, or the data is converted to an image and saved on the computer. Such as Ghost and other backup software, CD burning and Mobile Disk Storage. This model is easy to understand and can be divided into two types: file-by-file and image. One
Differential backup: Back up data based on full backup. Because the tar command cannot implement differential backup, this article explains how to use the dump and restore commands. Of course, the dump and restore commands can also implement full backup and Incremental backup
MySQL Tutorial database tutorial full backup and incremental backup strategy for backup recovery Backup strategy One: Copy database files directly (not recommended)Backup strategy Two: Use Mysqlhotcopy backup Database (full
The way data is backed up with full backups, differential backups, and incremental backups, what is the difference between these three ways of backing up, and how do you choose them in a specific application? This article gives an introduction to these questions.I. Brief introduction of Backup mode1. Full backupBacks up all selected folders, and does not rely on the archive properties of the files to determine which files to back up. During the
1. System Backup Based on the degree of preparation of the backup system, it can be divided into three categories: Cold backup, warm backup and hot backup. 1.1 The cold backup system is not installed or configured to the same or s
I. OverviewBackup and recovery is critical to system maintenance. Unreasonable backups and restores can put your data at risk of loss. Many users are unaware of this risk when they lose important data. Recovering data from this situation will be time-consuming and difficult. So we should learn from the mistakes of others and make sure that your system is protected. Consider some questions first: When do backups take place? If you can accept one weeks of data loss, then a weekly
Label:Original address: HTTP://WWW.TUICOOL.COM/ARTICLES/RZRNQ2 Xtrabackup Introduction Percona Xtrabackup is open source free MySQL database hot backup software, it can be InnoDB and XTRADB storage Engine database non-blocking backup (for MyISAM backup also need to add a table lock). Xtrabackup supports all Percona servers, MySQL, mariadb, and drizzle. Xtrabackup
Tags: sqlAccident background:suddenly the database is corrupted for no apparent reason, and differential or transaction log backups 3 point will be automatically done, then how to 2 Point to 2 Point + data recovery between the ? this needs to be restored by backing up the tail log. Environment Description:A company has installed aSQL Serverdatabase, in order to ensure that the database can be repaired in the event of a failure, the administrator has done ba
1. backing up a databaseConcept: A backup of all data files and control files for a database, as well as the backup of parameter files and password filesNote: Do not back up the redo log when you back up the database.1.1Consistent backupConcept: Database Consistent backup refers to the method of shutting down all data files and control files for a database
Rman backup method-Incremental backup and rman backup method incremental Usage type: the system load is concentrated in a certain period of time, such as 8 hours during the day, and is usually idle at night. Therefore, data can be backed up at night. It corresponds to full-Database Backup: Http://blog.csdn.net/jacson_b
Basic concepts: Full backup: a complete backup;Differential backup: The above full backup is a basic backup;Incremental Backup: The above full backup or Incremental
Tags: http os io using strong ar file Data divPercona xtrabackup backup MySQL large database (full and incremental backup) Article directory[Hide] Xtrabackup Introduction Xtrabackup Installation Xtrabackup Tools Introduction Innobackupex How to use Full Backup and restore Incremental back
"Operating System Error 5 (Access denied)" is displayed during SQL SERVER database backup ). The backup database is being terminated abnormally ." Wrong solution: database backup. backup "Operating System Error 5 (Access denied) occurs when the SQL SERVER database is backed up ). The
I. What is full backup, differential backup, and Incremental backup? Introduction to Backup Types and combined backup solutionsFull backupBacking up all selected folders does not depend on the file archive attribute to determine which files to back up.(During the
Content of this Chapter Consistent and inconsistent RMAN backups Online backups and backup mode Backup Sets Image copies Multiple copies of RMAN backups Control File and server parameter file autobackups Incremental backups Backup retention policies 1. consistent and inconsistent backup of consistent and inco
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