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
I. Scripting notes1.mysql data files and binary log files are best saved on different partitions or storage devices2. After the backup is complete, take care to modify the data permissions to prevent the disclosure of important information, which hosts which users can use to recover3. View the exported 2 log file to see if it is logical and business, 2 binary log files can only guarantee the physical data point-in-time restore, but does not guarantee
=myisamdefaultcharset=utf8;mysql>insert NBSP;INTONBSP;MYISAM_TBL (name) ->values (' One '), (' Joy '), (' Li '), (' Tom '), (' Jerry '), (' Hello ');### a good way to build data mysql>insertintomyisam_tbl (name ) ->selectnamefrommyisam_tbl;### Create a table mysql>createtableinnodb_tbl for the InnoDB engine (-> idINTNotnullauto_increment,->namevarchar (+), ->primarykey (ID) - >) engine=innodbDEFAULTcharset=utf8;# myisam_tbl data to Innodb_ TBL Table MYSQLGT;NBSP;INSERTNBSP;INTONBSP;INNODB_TBL (
I. Mark data
Log On with the scott user and set the tag data
SQL> select table_name from user_tables;
TABLE_NAME
------------------------------
DEPT
EMP
BONUS
SALGRADE
EMP_BAK
Creates a backup table emp_bak for the emp table.
Ii. Back up the database
1. Close the database cleanly.
SQL> shutdownimmediate
Databaseclosed.
Databasedismounted.
Oracle instance shut down.
2. Package backup data
[Oracle @ study ora
Openerp data backup and recovery, openerp backup and recoveryBack up the entire database:Use the backup file to restore the database:Notes:
It is best to write a script to automatically back up data
If you do not stop openerp When deleting a database, a prompt is displayed, indicating that the database is in use and cannot be deleted.
When data is restore
Previously thoughtSqlserverA full backup only backs up database data and does not contain logs. In fact, this is an error. UseRestoreheaderonlyCan help us verify (MSDB.DBO.Backupset also contains the corresponding information).
Restore headeronlyReturns the result set that contains all backup header information of all backup sets on a specific
The loss of important data can mean fatal damage. Still, countless professionals are ignoring the backup of their data. Although the reasons may vary, one of the most common explanations is that performing routine backups is really cumbersome. Because machines are adept at accomplishing common and repetitive tasks, automating the backup process is key to reducing the intrinsic tedium of work and the propens
Oracle Database Hot backup (online backup) sample
Log must be placed as an archiveSql>archive log list; --View the log archiving method.Database log mode No Archive modeAutomatic Archival DisabledArchive Destination Use_db_recovery_file_destOldest online log sequence 106Current log Sequence 108Sql>alter system Set Log_archive_start=true scope=spfile--Enable automatic archivingSql>shutdown ImmediateSql>star
Tags: manage ISA auto Delete permission jpg production win2008 admin altMySQL Backup tool for window Support 5.0 5.2 5.5 5.6 5.7 8.0 and other versions, Support MyISAM InnoDB engine database backup, Support MARIADB and other MySQL derivative products. Support Daily Weekly backups and customize how many minutes of backups are supported. Automatically delete backups from one months ago or automatically delete
Enter the Rman interfaceRman target/rman>Modify control file backup mode for automatic backupRMAN > Configure Controlfile autobackup on;Check if the control file backup is an automatic backupRMAN > Show Controlfile autobackup;View Control file Automatic backup pathRman> show controlfile autobackup format;Modify control file Automatic
During traditional Oracle backup, database files are backed up by copying files from the operating system. The backup granularity is data files, which may be large,
During traditional Oracle backup, database files are backed up by copying files from the operating system. The backup granularity is data files, which may
1. Separate backup1. Classic full-database backup: backup as compressed backupset database include current controlfile plus archivelog delete all input;2. tablespace: name of the backup tablespace;3. Data File: backup datafile n; (n: Data File No. select file_name, file_id, tablespace_name from dba_data_files ;)4. Cont
Scripts are placed in the/home/user/mysql tutorial _backup.sh
Crontab
# crontab-l
# m H Dom Mon Dow command
* * */home/user/mysql_backup.sh
The script is as follows
#!/bin/sh
# mysql_backup.sh:backup MySQL databases and keep newest 5 days backup.
#
# Last updated:20 March 2006
# ----------------------------------------------------------------------
# This are a free shell script under GNU GPL version 2.0 or above
# Copyright (c) 2006 Sam T
Tags: and through director extended get database int backup technology shareOne: Handwritten tsql script 1, automatic backup Weekly full Backup of database, set Schedule Interval to weekly UseMasterGo
Declare @FileName nvarchar( the)
Set @FileName =N'D:\SQLBackupFolder\TestDB_FullBackup_'+CONVERT(nvarchar(Max),getdate(), the)+N'. bak'
Tags: mysql automatic hot standbyPros: Hot backup, no impact on business, incremental backup, remote backup.Purpose: Automatically package backup to remote 10.0.0.111 backup serverPremise:1. Installing XtrabackupYum Install http://www.percona.com/downloads/percona-release/redhat/0.1-3/percona-release-0.1-3.noarch.rpmYu
Label:One, cold backup A cold backup occurs when the database has been shut down properly and provides us with a complete database when it shuts down normally. Cold backup is a statement that copies critical files to another location. The fastest and safest method for backing up Oracle information for cold backups. The advantages of cold
In SQL Server 2000, assume that we have a database of: Test, which now requires it to be automatically backed up 19:00 every day, and in the event of a database error in the future, we can restore the database to any backup point in time with a backup file.Backup steps:1. In SQL Server Enterprise Manager, register the server where the database resides, note that you want to use the SA user name and password
I. Hot Backup
Cold backup occurs when the database is shut down normally. When the database is shut down normally, it will provide us with a complete database. This article describes how to copy key files to another location during cold backup. The fastest and safest way to back up Oracle information during cold backup
I. Cold backup
Cold backup occurs when the database is shut down normally. When the database is shut down normally, it will provide us with a complete database. This article describes how to copy key files to another location during cold backup. The fastest and safest way to back up Oracle information during cold backup
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