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
The article introduced two kinds of database record code, one is our PHP write common database backup class, the other is for Linux friends to provide an automatic timing backup MySQL database code, the need for students can refer to.
Save the following PHP code as a backdata.class.php file
The code is as follows
Copy Code
/*** Simple one MySQL
Misunderstanding #20: After the log backup chain is damaged, a complete backup is required to restart the log chain.
Error
Transaction Log backup backs up all transaction logs since the last transaction log backup (if there is no log backup, it starts from the last full
Logical backup and physical backup have their own advantages and disadvantages. Generally, physical Backup recovery is faster, occupies a large space, and logical backup is slower.
Logical backup and physical backup have their own
We can perform full backup for a small number of databases every day, because it does not take much time. However, when the database is very large, we are unlikely to perform a full backup every day, in addition, it is changed to a weekly full backup, and an incremental backup every day is similar to this
Preparations: lftp must be installed in VPS in advance. lftp is powerful. CentOS directly executes: yuminstalllftp and Debian execute: apt-getinstalllftp. You need to create the/home/backup/directory on VPS and the backup directory on FTP. If there are not many VPS databases, you can use Godaddy free space (10 GB space, 300
Preparations:
Lftp needs to be installed in VPS in advance. lftp is powerful and can
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_bai/article/details/39636915
1. env:IP Address: 10.244.171.180/181Oracle Database Oracle 11.2.0.3OS RHEL 5.5Backup toos: rman, Shell, crontab
2. Backup Plan (increm
Full backupThe most common and simple backup is to directly use the copy command to copy the version library directory to the backup directory. However, this is not a safe method, because if the version library changes during the copy process, the backup results will be inaccurate and the backup function will be lost,
Server:AliyunRequirements:For the WWW directory, perform a backup daily 1 o'clock in the morning to name the folder on today's dateCreate Wwwbak directories and bakwww.sh files in the Alidata folder as follows:Create a new Wwwbak folder and execute the following command:# mkdir Wwwbak# Chmod-r 777 WwwbakTo create a new bakwww.sh file, execute the following command# VI bakwww.shThe contents of the document are as follows:cp-af/alidata/www//alidata/wwwb
Use Xtrabackup to do a full backup. After we have installed Xtrabackup, it gives us a few command-line tools where we back up the command to use is Innobackupex, which is a script that encapsulates several xtrabackup of several command lines internally, Makes the Innobackupex very easy to use first go to the official website to download the RPM package after installation can be used this tool is generally used for local
The following articles mainly introduce the offline and online full backup of DB2 and the actual operation steps of Incremental backup and recovery, the following describes the offline and online full backup of DB2 and the actual operation steps of Incremental backup and recovery. We hope this will help you in your fut
Xtrabackup is a tool used to back up InnoDB data. It supports online Hot Backup (data read/write is not affected during Backup) and is a good commercial backup tool InnoDBHotbackup.
Xtrabackup is a tool used to back up InnoDB data. It supports online Hot Backup (data read/write is not affected during
Tags: style http color COM uses strongFor many beginners, it is difficult to understand the two concepts of differential and incremental backup, in this article we will explain the specific definitions and differences between incremental backups and differential backups: Definition of differential backup:Backs up data that has changed since the last full backup. Definition of incremental backup:Backs up d
5 years ago, I introduced a piece of software in my blog called the Moonlight Box. It is through the FTP to your website backup, you can also through the FTP two sites to synchronize data.Now, the Moonlight box has not been done for two years.Back, site Backup I have been a manual backup, initially weekly backup once a
Data backup is one of many aspects that the Mac designers really think about. Mac Backup is not a perfect story, but it's obviously better than Windows and Linux.
If you're a storage administrator, having a typical web-based backup product is not a bigger challenge for you than the other desktop Mac. You install the Mac OS version of the
Tags: After the begin backup is performed, Oracle marks the data files that will be backed up as hot-backup-in-progress, locking the SCN of the datafile header to be backed up, such as at this point scn= 100, while Redolog will remember this SCN, other data files normal use, SCN will continue to grow. The data file is then allowed to write and checkpoint during the bac
Percona xtrabackup ( PXB) is a backup tool developed by Percona Company for the physical hot standby of MySQL database, supporting MySQL (Oracle), Percona Server and MariaDB, and all open source, is the industry's conscience. Tool SetAfter the package is installed, there are 4 executable files, as follows:usr├── bin│ ├── innobackupex│ ├── xbcrypt│ ├── xbstream│ └── xtrabackupThe most important is the innobackupex and xtrabackup , the former is
Major server hardware vendors (such as IBM and HP) provide good data protection policies (hardware or software ). redundant Array of Independent Disks is a good data protection method. for SQL Server, a detailed data backup plan can be developed through the maintenance plan.
Data backup policy (full backup, differential ba
Restoring the database backup in the failed backup set on the server is different from the existing database. Today, a database backup is restored in SQLServer2008R2 with an error. Restoring the database backup in the failed backup set on the server is different from the exi
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