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Datafile Recovery
 
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#Oracle #RMAN Datafile Recovery
Views: 1306 Hemant K Chitale
RECOVER LOST  DataFile
 
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DATAFILE file Lost ================================ Archive log mode-Enabled create tablespace test_ts datafile '/u01/app/oracle/oradata/testdb/ts_test02.dbf' size 10M; create table testtable (id number(5))tablespace test_ts; insert into testtable (id) select * from testtable; SQL>select count(*) from testtable; COUNT(*) ---------- - before deleting datafile 524288 SQL>select count(*) from testtable; COUNT(*) ---------- - After recovery 524288 select tablespace_name, segment_name from dba_segments where segment_name = 'TESTTABLE'; alter system flush buffer_cache; alter database create datafile '/u01/app/oracle/oradata/testdb/ts_test02.dbf' as '/u01/app/oracle/oradata/testdb/ts_test02.dbf' alter database datafile '/u01/app/oracle/oradata/testdb/ts_test02.dbf' offline drop; alter database create datafile '/u01/app/oracle/oradata/testdb/ts_test02.dbf' as '/u01/app/oracle/oradata/testdb/ts_test02.dbf' recover datafile '/u01/app/oracle/oradata/testdb/ts_test02.dbf'; alter database datafile '/u01/app/oracle/oradata/testdb/ts_test02.dbf' online; select count(*) from TESTTABLE; =================================================== Please like,subscribe my channel. Kindly contact for online training on below contacts. Emai: [email protected] Mob No: +91 9960262955 ====================================================== Hi Folks, Greetings!! I am professional part time oracle dba trainer and having good experience in oracle database administration. This is the right place to enroll yourself for Oracle DBA real time course. Please use following email ID for more details. Don’t hesitate to WhatsApp me any time. I will give you the best training and will create path to get DBA job easily. Enjoy the free YouTube video and connect with me for deep Oracle DBA knowledge. Mobile No : + 91 9960262955 (WhatsApp Number) EmailID: [email protected]
Views: 797 ANKUSH THAVALI
Oracle Tutorial - How to recover a corrupted NON SYSTEM datafile (database in ARCHIVELOG mode)
 
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The following scenario describes what happens when a non system datafile is lost. Before proceeding be sure to have a complete backup of your database and be sure your database is in ARCHIVELOG mode. by Lalit saini
Views: 2103 Oracle World
RMAN: How to recover a corrupted NONSYSTEM datafile (database in ARCHIVELOG mode)
 
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The following scenario describes what happens when a nonsystem datafile is lost. Before proceeding be sure to have a complete backup of your test database and be sure your database is in ARCHIVELOG mode. A complete description could be found here: http://dbaworkshop.blogspot.it/2012/08/how-to-recover-corrupteddamagedlostcanc.html
Views: 2019 mvige
System Data File Recovery in Oracle Database 12c
 
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In this video , you will learn how to recover SYSTEM01.dbf file in case you lost it in Oracle Database 12c. For More Videos and Blogs:- Visit Our Website - http://www.dbatrainer.com Also , Subscribe and Follow us on our social media pages:- LinkedIn - https://www.linkedin.com/company/dbatrainer FaceBook - https://www.facebook.com/dbatrainer Google Plus - https://plus.google.com/+DBATrainer Twitter - https://www.twitter.com/DBA_Trainer "Exceptional Education. Exceptional Value."
Views: 187 DBA Trainer
Recovery of data file without backup
 
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How to Recovery of data file without backup in Oracle
Views: 99 Koenig Solutions
Oracle world - Recover a Non-System datafile from a Cold backup in Noarchivelog mode
 
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In this tutorial you will learn how to perform restore and recovery on non-system datafiles with cold backup (consistent backup). by Lalit saini
Views: 1309 Oracle World
Oracle Tutorial for beginners - Recovery of dropped tablespace with RMAN.
 
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Hello friends in this session i'll showing a Demo of Recovery of dropped tablespace with RMAN. By Lalit saini
Views: 3659 Oracle World
Oracle DBA Justin - How to backup and restore an Oracle database with RMAN (basic)
 
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How to backup and restore an Oracle database with RMAN (basic)
Views: 285140 jbleistein11
Data Recovery Advisor in Oracle Database
 
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Data Recovery Advisor in Oracle Database The Data Recovery Advisor automatically diagnoses corruption or loss of persistent data on disk, determines the appropriate repair options, and executes repairs at the user's request. This reduces the complexity of recovery process, thereby reducing the Mean Time To Recover This demo show recovery from 1) Lost of datafile 2) Lost of redo logs 3) Lost of control file
Views: 450 Vincent Ng
Oracle Database Files -  DBArch Video 5
 
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In this video you learn about the storage components in an Oracle Database. You learn about the different files , Data files, Control Files and Redo log files and their purpose in an Oracle Database Architecture. learn Oracle, learn Oracle database. Our Upcoming Online Course Schedule is available in the url below https://docs.google.com/spreadsheets/d/1qKpKf32Zn_SSvbeDblv2UCjvtHIS1ad2_VXHh2m08yY/edit#gid=0 Reach us at [email protected]
Views: 12599 Ramkumar Swaminathan
HOW TO RECOVER ORACLE DATABASE USING COLD BACKUP !!!
 
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recover oracle database with cold backup using until time.
Views: 4201 shoaib shams
recovery manager scenario 1   restore, recover datafiles
 
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In this tutorial you will learn how to perform restore and recovery on datafiles with recover manager (RMAN).
Views: 831 DBA Pro
Recovery of a droped tablespace with RMAN
 
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Recovery of a droped tablespace with RMAN I showed with this video, recovery of a droped tablespace with Oracle Recovery Manager (RMAN). I droped my tablepace (APPDATA) and restored, recovered this droped a tablespace from RMAN backups. I think this video shall be interesting for beginner of Oracle Backup and Recovery. Please try this on test database, if you try on production, may be you loss your critical data. Don't try on production database
Views: 4641 Mahir M. Quluzade
Recover PDB DataFile or Tablespace
 
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Restore and Recover a datafile or a tablespace in a Pluggable Database
Views: 49 Hemant K Chitale
LOST DATAFILE RECOVERY
 
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Views: 412 alightwriter
Add Datafile to Tablespace
 
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Add extra datafile to exixting tablespace, how to drop the extra datafile, how to reuse a datafile, how to make a tablespace offline n online.
Views: 11780 DbaRocksOracle
Oracle Tutorial - How to recovery spfile using RMAN backup
 
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How to recovery spfile using RMAN backup
Views: 1898 OCP Technology
Oracle Tutorial For Beginners Control File Recovery from Trace File in Oracle 11g
 
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In this scenario i explaining how to recover a control file in oracle 11g. control file is the most important part in oracle database. by Lalit saini
Views: 5598 Oracle World
USALaoTu Oracle 12c DBA class Demo: Use RMAN recover datafile
 
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USALaoTu Oracle 12c DBA class Demo: Use RMAN recover datafile
Views: 174 usa laotu
Oracle 11G - Backup and Recovery using RMAN
 
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Demonstration of three steps: 1. Take a Full backup using RMAN. 2. Simulate Disk Failure by deleting Data Files. 3. Performing Recovery of data Files from Backup. To Learn or Teach Linux visit www.theskillpedia.com, A Marketplace for Learners and Trainers.
Views: 14238 TheSkillPedia
Oracle DBA Justin - How to restore and recover a differential incremental Oracle database backup
 
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How to restore and recover a differential incremental Oracle database backup
Views: 25379 jbleistein11
Oracle DB 12c - PDB SYSTEM & Non SYSTEM Data File Recovery
 
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Oracle DB 12c - PDB SYSTEM & Non SYSTEM Data File Recovery Watch more videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Parth Panjabi, Tutorials Point India Private Limited
Oracle DBA, controlfiles, datafiles, online redolog files 1e6
 
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Three very important files in oracle database
Views: 3210 hammadshams
Oracle DBA, Backup  and recovery concepts, 1e10
 
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Recover from loss of a datafile.
Views: 2566 hammadshams
SCPT 6:Data Files in Oracle
 
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Oracle DBA Tutorials For Full Course Experience Please Go To http://mentorsnet.org/course_preview?course_id=6 Full Course Experience Includes 1. Access to course videos and exercises 2. View & manage your progress/pace 3. In-class projects and code reviews 4. Personal guidance from your Mentors
Views: 51189 Oresoft LWC
How to Recover or Recreate Controlfile without Backup ?
 
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Hi guys in my today videos i will explain how to recover to controlfile without any backup. Oracle database Unbeatable,Unbreakable Platform..
Views: 8835 Oracle World
LAB6 1 RMAN   Restore-Recover from Loss of control and datafile
 
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RMAN-Restore Recover from Loss of control and datafile
Views: 614 PishonTech
RMAN Recovery Scenarios Session - 4
 
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Recently i took RMAN sessions to some group of people and as a part of it i explained various scenarios of rman restore and recovery operation. I tried to record the video for the purpose of the people who follow my blog. In this present session we will see various recovery scenarios mentioned below. 1) Complete database restore and recovery 2) Loss of System Datafile 3) Non-System datafile ( closed and Open ) 4) Restoring a tablespace ( closed and Open ) 5) Restoring a datafile if no backups 6) Restoring a datafile to different location 7) Restoring controlfile 8) restoring spfile 9) Restoring online redologs 10) Restoring temporary datafiles 11) Incomplete Recovery ( time based , Change based and SCN based ) 12) Recovering archived logs The following video demo gives you detailed explanation of each scenario and how to restore and recover under different scenarios. Setup: ===== Let me explain you the environment used for this practice. I am using a database with ORACLE_SID=orcl as my database for testing all the different scenarios mentioned above. I am using a recovery catalog for my rman configuration and its details are ORACLE_SID=rmandb and schema used for rman catalog data is rman and the tns alias to connect to catalog database is rmandb. I have both my databases orcl and rmandb in archive log mode and i also have backup for my database orcl. For all my restore and recover operations i am using the following syntax to connect to target database and catalog database. rman target / catalog rman/*******@rmandb
Oracle Tutorial For Beginners - Redo Log File Incomplete Recovery
 
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Hello guys in this tutorial i briefly explaining how to recover a redo log file from archive backup...its called a Cancel Based Recovery... By Lalit saini
Views: 3108 Oracle World
4.ORACLE WORLD - How to Recover drop table from Recyclebin using Flashback in oracle database
 
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Hello guys in this demo I'm just showing to you that we can easily recover the dropped table from recyclebin in oracle using flashback technology very fast without shutdown the database... By lalit saini
Views: 4787 Oracle World
How to restore tablespace in case of NO backup?
 
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Oracle RMAN restore tablespace without backup of this tablespace.
Views: 5075 Mahir M. Quluzade
How to recover truncated table without backup in oracle
 
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TRY PRM For Oracle Database , FULL GUI supported, easy to use, written in Java cross platform . PRM can help user recover data from truncated table or corrupted database!
Recovery of Redo log file using Log Sequence number by RMAN
 
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Hi friends today I am showing you to Recovery of Redo log file using Log Sequence number by RMAN (Recovery Manager).This is a simple method and easy way to recovery redo members. Oracle database Unbeatable,Unbreakable Platform..
Views: 5757 Oracle World
Oracle Tutorial - How to rename Datafile in Oracle step by step
 
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Hello friends in this video i'm going to show you how to rename datafile in oracle step by step
Views: 585 OCP Technology
RMAN Full DB Restore Recover
 
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RMAN Full Database Restore and Recover
Views: 7701 Hemant K Chitale
Oracle World - How to perform RMAN Recovery Block Corruption
 
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Let us look at a test case where we corrupt from blocks in a particular datafile and then use the RMAN blockrecover command to recover the corrupted data blocks.
Views: 3350 Oracle World
Oracle DBA Justin - How to restore and recover a cumulative incremental Oracle database backup
 
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How to restore and recover a cumulative incremental Oracle database backup
Views: 13919 jbleistein11
How Oracle Instance Recovery Works
 
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https://dbagenesis.com/ DBA Genesis provides all you need to build and manage effective Oracle technology learning. We designed DBA Genesis as a simple to use yet powerful online Oracle learning system for students. Each of our courses is taught by an expert instructor, and every course is available on demand. Oracle instance recovery is an advanced concept, but its interesting to know and understand it. Oracle performs instance recovery when the database is restarted due to instance failure or shutdown the database with ABORT option(shutdown abort) or startup the database with FORCE option(startup force). Instance recovery is taken care by SMON oracle background process automatically. Instance recovery consists of two steps. One is Roll forward, next is Roll backward.
Views: 6163 DBA Genesis
Oracle tutorial for beginners - Switch to Image copy for fast recovery with RMAN
 
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Hello guys I explaining with this video how to backup database as copy, how to use switch to copy image for fast recovery and how to recover corrupted datafile without close database. Oracle database Unbeatable,Unbreakable Platform..
Views: 2016 Oracle World
database is in hot backup mode,db crashes now how to recover and open the database
 
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can we take hot backup when the database is in noarchive log mode? =================================================================== no archive log list; alter database begin backup; can we shutdown a database when it is in backup mode? ===================================================== alter database begin backup; shutdown immediate; ==no shutdown normal;==no shutdown transcational;==no shutdown abort;==yes database is in hot backup mode,db crashes now how to recover and open the database? =================================================================================== alter databse begin backup; shutdown abort; ORA-10873: file 1 needs to be either taken out of backup mode or media recovered ORA-01110: data file 1: 'E:\DATABASE\DATABASE\ORADATA\ORCL\SYSTEM01.DBF' solution: startup mount; alter database end backup; alter database open; how to check whether the database is in backup mode or not? =========================================================== select * from v$backup; how to take hot backup of database manually? ============================================ alter database begin backup; copy datafiles manually from original location to backup location alter database end backup; alter system switch logfile; alter system switch logfile; alter system switch logfile; copy archives from archive location to backup location. alter database backup controlfile to trace; (or) alter database backup controlfile to location; copy controlfile to backup location. How to check current_scn number of database? ============================================= select CURRENT_SCN from v$database; select dbms_flashback.get_system_change_number from dual; select timestamp_to_scn(sysdate) from dual; how to check datafile header scn number? ========================================= select name,CHECKPOINT_CHANGE# from v$datafile_header; when checkpoint will occur? ============================ alter system switch logfile; alter database begin backup; alter database end backup; alter system checkpoint;(manual checkpoint) shutdown immediate;(when the database is down) what will happen when checkpoint occurs? ========================================= scn of datafile header will update;
Views: 726 Praveen Biyyapu
Oracle Tablespace PITR Recovery | TS-PITR Part - 1
 
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https://dbagenesis.com/p/oracle-advanced-rman-backup-recovery Recovery Manager (RMAN) automatic TSPITR enables you to quickly recover one or more tablespaces in a database to an earlier time without affecting the rest of the tablespaces and objects in the database. RMAN TSPITR is most useful for the following situations: 1. You want to recover a logical database to a point different from the rest of the physical database, when multiple logical databases exist in separate tablespaces of one physical database. For example, you maintain logical databases in the orders and personnel tablespaces. An incorrect batch job or DML statement corrupts the data in only one of the tablespaces. 2. You want to recover data lost after DDL operations that change the structure of tables. You cannot use Flashback Table to rewind a table to before the point of a structural change such as a truncate table operation. 3. You want to recover a table after it has been dropped with the PURGE option. 4. You want to recover from the logical corruption of a table. You can also use Flashback Database to rewind data, but you must rewind the entire database rather than just a subset. Also, unlike TSPITR, the Flashback Database feature necessitates the overhead of maintaining flashback logs. The point in time to which you can flash back the database is more limited than the TSPITR window, which extends back to your earliest recoverable backup.
Views: 534 DBA Genesis
recover manager scenario 7   restore recover datafile to different locations
 
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In this tutorial you will learn how to restore recover datafiles to different locations.
Views: 139 DBA Pro
Oracle DB 12c - PDB Point in Time Recovery
 
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Oracle DB 12c - PDB Point in Time Recovery Watch more videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Parth Panjabi, Tutorials Point India Private Limited
Creating  Managing  Droping Oracle Database Tablespaces
 
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Creating Managing Droping Oracle Database Tablespaces select tablespace_name,block_size,status,contents,logging from dba_tablespaces; create tablespace mytbs datafile 'd:\oradata\dbrdbms\mytbs01.dbf' size 10m; alter tablespace mytbs add datafile 'd:\oradata\dbrdbms\mytbs02.dbf' size 10m; alter tablespace mytbs drop datafile 'd:\oradata\dbrdbms\mytbs02.dbf'; desc v$datafile; desc ts#,name from v$datafile; select ts#,name from v$tablespace; select v$datafile.ts#,v$datafile.name,v$tablespace.name from v$datafile,v$tablespace where v$datafile.ts#=v$tablespace.ts# and v$tablespace.name='MYTBS'; alter database datafile 'd:\oradata\dbrdbms\mytbs01.dbf' resize 20m; ALTER DATABASE DEFAULT TABLESPACE mytbs; select ts#,name from v$tablespace; select ts#,name from v$datafile; select ts#,name from v$tablespace; drop tablespace mytbs; drop tablespace mytbs ialtncluding contents and datafiles; drop tablespace mytbs including contents and datafiles cascade; alter tablespace mytbs read only; alter tablespace mytbs read write; alter tablespace mytbs force logging; alter tablespace mytbs nologging; alter tablespace mytbs flashback on; alter tablespace mytbs flashback off; purge tablespace mytbs user myuser;
Views: 20524 Abbasi Asif
Block corruption recovery with RMAN
 
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How to recover block corruption with the help of Recovery manager (RMAN) in Oracle 11g
Views: 1773 Athar Fahad

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