emachines recovery

1 Viewing the current log statusFrom here we can see that we now have three logs, with only 1 members in each group of logs. To demonstrate this experiment, we added 1 members to each group. 2 adding group members to each groupAfter adding, we verify the status of the current log members:From the view above, we can see that our log group members have been added to our log group and added to the invalid state of the log members.3 switching 3 groups of log archivesTo view the log status at th

RMAN cold Backup Recovery from different machines and rman recovery 1. Prepare the environment Install the ORACLE instance on the new server. During the installation process, ensure that the ORACLE_SID of the source server is consistent with that of the target server, and ensure that the installation path is consistent with the Source Path (not only the installation directory, even include the data file, c

Database backup and recovery, inspection object settings to be concerned: 1. database Name, and DBID; -- dbid in v $ database SYS @ ORCLselectdbid, namefromv $ database; DBIDNAME-------------------1385095721ORCL2. location of the control file; showparametercontrol_files; selectnamefr Database backup and recovery, inspection object settings to be concerned: 1. database name, and DBID; -- dbid in v $ database

Summary of oracle accidental deletion data recovery methods and oracle accidental deletion data recovery If the user accidentally deletes/updates the data, there is no direct way for the user to recover the data, they must seek help from the DBA to recover the database to Oracle9i, this embarrassing situation has improved. Or (www.jb51.net) acle 9i provides a new technical method-Flashback query. You can us

Principle of cocos2d-x recovery pool, cocos2d-x recovery Cocos2d-x comes from the cocos2d-iphone, and in order to be consistent with Objective-c, the cocos2d-x also uses the reference counting and automatic recovery memory management mechanism. To realize automatic memory reclaim, You need to inherit from the cocos2d-x's root class CCObject. Of course, automatic

Method/Step Scan your computer with anti-virus software, and then restart it after cleaning to make sure the virus is completely erased. Search the Internet for fast Dragon data recovery software, download a free version, according to the installation prompts, to download and install. Open the software and start running. Click on Universal Recovery. This feature is relatively complete, the computer poiso

Tags: ACK explanation ret Oracle direct exit record disk alter 好久没写东西了，今天写一篇凑个数吧，来公司一年多了，感觉自己到了一个小瓶颈期了。 以前每天很多新东西，都是忙着学，感觉没时间写博客总结一下，大部分都是写笔记，现在又是没东西可以写，每天干着95%都是重复的工作，大部分时间在运维，但我内心是把自己当做dba的，毕竟当初老大把我从java开发拉倒系统组^_^ 上次一个技术把表中的数据删除，这次是另一个技术把正确的包给覆盖了，我给恢复了，哈哈哈---有用的话看一下Reference Blog: 6761458虽然包恢复原理一样，但是操作差异一点，因为我的数据是12.2c的Body 1: Table Data Deletion recovery--1、查询删除数据时间点之前的数据selectfromasoftimestampto_timestamp(‘2016-08-11 16:12:11‘,‘yyyy-mm-dd hh

Label:poiinit_idenablemax offsetsnappysumjpg Data type MongoDB 3.x data capacity gb failure type Server power loss causes WIREDTIGER.WT file corruption Start error detected data files in E:\DTLFolder\MongoDB\dat A created by the ' Wiredtiger ' storage engine, so setting the active storage engine to ' Wiredtiger '. 2018-05-08t16:10:09.755 +0800 I STORAGE [initandlisten] Wiredtiger_open config:create,cache_size=18g,session_max=20000,eviction= ( threads_max=4), config_base=false,statistics= (FAST),

Database backup recovery, patrol needs to focus on the object settings:1. Database name, and dbid;--dbid in V$database[email protected]>select dbid,name from V$database;DBID NAME---------- ---------1385095721 ORCL2. Control the location of the file;Show parameter control_files;Select name from V$controlfile;3. Location of log files and archiving settings of the database;Select Log_mode from V$database;Archive log list;SELECT * from V$log;SELECT * from

Summary of win10 system recovery methods and win10 System Recovery Summary As the saying goes: When we often walk by the river, we can't avoid system crashes when we often use computers. Can we just take out the re-installed CD and USB flash disks at this time, if the system is win10, it is unnecessary (the method inherited from win8, so win8 can also be used in imitation), because the remedy measures of t

The simplest Oracle data recovery select as of usage, oracle Data Recovery You perform a Flashback Query by using a SELECT statementwith an as of clause. you use a flashback query to restrieve data as it existed at some time in the past. the query explicitly references a past time by menasof timestamp or SCN. it returns committed data that was current at that point intime.You can perform a flashback query b

I. Cold backup1. When the database is shut down normally, you must know the name and path of the backup file before performing the cold backup.Copy codeThe Code is as follows:SQL> select name from v $ datefile;SQL> select name from v $ controlfile;SQL> select member from v $ logfile; 2. files to be backed up for cold backup include:All data files, all control files, and all online redo log files3. Cold backup steps① Shut down the instance to be backed up normally)② Copy all important files to th

There was a client recovery request this morning, and he accidentally used the RM-RF oradata command in the Solaris system to delete all the data files under one partition. Now do not know how to do, ask us to give support. Check it out. found that the database is not crash, it seems that directly consider the use of handle recoveryROOT@CNISORCLSVR # Uname-aSunOS cnisorclsvr 5.9 generic_112233-08 sun4u SPARC sunw,sun-fire-880ROOT@CNISORCLSVR # Ps-ef|g

last_change #. You can first mount the database, and then query Select last_time, last_change # from V $ datafile; You can see. If a result is returned, it is disabled normally. If no result is returned, it is disabled abnormally. Determine whether the file needs media recovery: V $ datafile; From Control File V $ datafile_header comes from the data file header. colnamefora40selectname,CHECKPOINT_CHANGE#,CHECKPOINT_TIMEFROMV$DATAFILE;SELECTCHECKP

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 restored, If you import the data directly without clearing the old data, an error is prompted and

Method 1 1, we first use the original method of the hands of the machine. 2, then we simultaneously press the phone volume + do not put, boot, until the interface appears robot, loosen the volume + as shown in the following figure. 3, after we press the power button, we can enter the recovery menu as shown in the following figure Method 2 We search for a "Brush Machine Wizard" in Baidu as shown in the following image

[Figure] Samsung's most popular big screen Android mobile phone demonstrates three buttons with clear labelsIf you often play with Samsung mobile phones, you must know the functions of these three keys and can easily enter the engineering mode (recovery) hold down the volume, HOME, and power keys at the same time, and wait until the screen is on.The above is how most Samsung mobile phones enter the Recovery