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(1) Write hot backup script (double spool) Set feedback off pagesize 0 heading off verify off Linesize-Trimspool on echo off Define bakdir= '/disk1/backup/anny/hot_bak ' Define bakscp= '/disk1/backup/anny/hot_cmd.sql ' Define spo= ' bakdir/hot_bak.lst ' Prompt ***spooling to BAKSCP Set Serveroutput on Spool BAKSCP Prompt spool spo Prompt alter system swi

For the system, we can have a lot of ways to back up (restore) the system or file, the reason is to do the backup, is to be in the system or file damage, the timely recovery, reduce the loss to a minimum. Of course, the importance of backup is important for enterprise servers. Let's discuss in detail today how to use dump and restore for backup and restoration in

History of the simplest MySQL Data Backup and restoration tutorial (below) (), mysql Data Backup The third part of data backup and restoration is as follows: Basic concepts: BackupSave the existing data or records in another copy; RestoreTo restore the data to the backup status. Why do we need to back up and restore Da

Tags: full backup incremental backup data restoreScenario: Sunday full Backup, Monday, Tuesday incremental backup, Wednesday problems, found after a few minutes;Installation of the database: yum install mariadb-server-y systemctl start mariadb yum Install percona-xtrabackup-24-2.4.9-1.el7.x86_64.rpm Default Instant i

Preparatory work: Need to advance in the VPS to install good lftp,lftp function more powerful, CentOS Direct execution: Yum install Lftp,debian execution: Apt-get install. You need to create the/home/backup/directory on the VPS and create the backup directory on FTP. If the VPS on the database is not much to use GoDaddy free space can (10GB space, 300GB traffic), as long as the registration of the domain

Xtrabackup Incremental backup solution, recording the entire Backup Recovery Process [html] mysql> select * from mm; + ------ + | a | + ------ + | 1 | 2 | 3 | 4 | + ------ + 4 rows in set (0.00 sec) mysql> show tables; + ---------------- + | Tables_in_inno | + ---------------- + | mm | t | + ---------------- + 2 rows in set (0.01 sec) mysql> insert into mm select 9999; Query OK, 1 row affected (0.01 sec) Re

During traditional Oracle backup, database files are backed up by copying operating system files. The backup granularity is data files, and the data files may be large, however, it is empty blocks and there is no Oracle data, but because it is a file copy, you need to back up the entire file.The backup set value of RAMN backs up used data blocks and supports Incr

MySQL backup lock and mysql backup Both logical and physical backups depend heavily on FTWRL (Flush Table With Read Lock) to obtain consistency points ). This lock is highly lethal, because during the lock period, the entire database cannot provide write services externally. In addition, because FTWRL needs to close the table, if there is a large query, it will lead to FTWRL waiting, which leads to a longer

Sections 3rd and 4 describe how to restore and restore a database from a consistent backup, but the disadvantage is that the database must be closed during the operation. Because in the actual environment, users and application systems are always using databases, and the database cannot be closed, how can we back up and restore the opened database, this section and the next section will be discussed.When data is opened, the data file and control file

MYSQL database automatic local remote dual-backup MYSQL incremental backup to build a high-security E-commerce website (automatic local/remote dual-backup of website files and databases) architecture diagram We will continue to introduce the e-commerce system architecture related to file backup, database

This series of articles describes the relationship between cloud and backup, including:(1) VMware Virtual machine backup and recovery(2) KVM virtual machine backup and recovery(3) Cloud and backup(4) OpenStack and backup(5) Public Cloud and backup1. VMware Basics related to

Example of using RMAN to create a backup set for Oracle11g backup and recovery Oracle 11 GB backup and recovery example of using RMAN to create backup Sets Homepage → Database Technology Background:Read News Oracle 11 GB backup and recovery example of usi

The importance of server data every network administrator knows this, perhaps the probability of server data loss is 1 per thousand, but if it happens, the impact on the entire site will be devastating, real-time server data backup is a network administrator's day-to-day work is an important thing. Server data is diverse and how to back it up. Less than dozens of G, a number of hundreds of g of files, the size of the file is not the same. How to choo

Myth #20: After breaking the log backup chain, a full backup is required to restart the log chain Error A transaction log backup backs up all transaction logs since the last transaction log backup (if there has never been a log backup, starting with the last full

One, MySQL backup type1. Follow the MySQL server status Cold Offline backup, read and write operations are aborted warm can only perform read operations Hot Read and write operations are not affected 2, according to data consistency Consistent Inconsistent 3. Follow the backup data format logical

The backup and recovery mentioned above are all focused on the user database. SQLServer also maintains a group of system-level databases (referred to as "system databases") that are critical to the running of server instances. After each system update, you must back up multiple system databases. The system databases that must be backed up include msdb, master, and mod. The backup and recovery mentioned abov

More official statements FullA backup of a datafile that has des every allocated block in the file being backed up. A full backup of a datafile can be an image copy, in which case every data block is backed up. it can also be stored in a backup set, in which case datafile blocks not in use may be skipped, according to rules in Oracle database

DB2 offline and online full backup, Incremental backup and recovery operations1. Full offline backup1) first, make sure that no user uses DB2:$ Db2 list applications for db sample2) Stop the database and restart it to disconnect all connections:Db2stop forceDb2start3) execute the BACKUP command: Use TSM as the backup m

Seven Online Rman Database backup 7.1 Online Database backup To perform an online backup operation using Rman, the database must be placed in Archivelog mode. If you are not in archive mode, Rman generates an error when you attempt an online backup. Oracle Archiving and non-archive switching Http://blog.csdn.net/ti

Oracle backup is divided into two types: Logical backup: expdp/impdp is only used to store the exported data. Therefore, only the data saved during Backup can be recovered, Logical backup is suitable for backing up tables with few changes.Disadvantage: long recovery time Advantage: Logical