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SCPT 21: Oracle Back Ground Processes ( CKPT, DBWR, LGWR, ARCH)
 
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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: 61400 Oresoft LWC
when checkpoint will occur in oracle database
 
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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: 3901 Praveen Biyyapu
Checkpoint Process | Oracle DBA Tutorials for the Beginners | RR TECHNOSOFT
 
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RR TECHNOSOFT provide Classroom & Online Oracle DBA Training Institute in Ameerpet Hyderabad. We Also provide Oracle DBA Tutorial Videos for the Beginners Contact us for more information Visit Us : http://www.rrtechnosoft.co.in/ Email Us: [email protected] Phone: (+91) - 9542535632
Views: 377 RR TECHNOSOFT
System Change Number in Oracle Database - SCN - DBArch Video 26
 
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In this video you will understand what is System Change Number in an Oracle Database, and get to know about some of the uses of it. . 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: 6246 Ramkumar Swaminathan
DBMS - Checkpoints
 
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DBMS - Checkpoints Watch more Videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Arnab Chakraborty, Tutorials Point India Private Limited
Oracle Architecture
 
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This video describes the best architecture of the oracle after trying more than times to Oracle structure I decided to produce an animated video let's start first with the database structure on the left side you have the client here on the right side you have to serve a two-year the server side is divided in three main structures to memory the logical structure and the physical structure so let's use SQL Plus application to provide you every step up a transaction will be using Scott sample schema it is important to note that the whole string is an alias and not a database name district will be compared to this alias inside of a file called pianist named doc or this file is similar to a DNS and with up pain all the necessary detail to reach a database server locally a user process will be allocated and will validate the connection through a listener the listener will be in charge to allocate a server process the user processes da link to the server process let's now execute our first transaction for this example we will execute an update first to state that will be validated we call this step the parsing this server process sense back to confirmation of the parsing that statement with be written into their share pool and the redo log buffer an execution plan will also be created it to the fair share Paul that database book they choose fought the transaction will be read and copy into the database buffer cache only that feel implicated in that transaction will be held it to a - segment till the transaction is completed we call those copies the before image a copy of this block will be duplicated with the updated feel this copy is called me after image a confirmation will be sent to to use a process the commit statement will complete the transaction and will be written into to redo log buffer to commit statement triggers the log writer process and we'll send all statement for the current transaction into the redo log file the before image into undo segment could be then deleted went that threshold up to undo retention parameters reach alaskan from Asian will be sent to the user process went to current law kiss Paul it generates a switch lock triggering at the same time the archiver process and to log sequence number the archiver will generate and archive the file with the content of the current loc a switch up with them trigger a checkpoint process that will incriminate the checkpoint number by applying this last number into each data file header the checkpoint process with finally trigger the database writer process enright the last image from that database buffer cache into thirty people
Views: 21827 Ezylearning
Validating the database using UFT & VBScript with and without checkpoint
 
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This video explains how to use database checkpoint and how to write script for validating the database using ADODB object. I have explained for SQL Server. I will upload for Oracle in other video.
Views: 5459 nanda.D Reddy
Checkpoints in Oracle GoldenGate - GG Video 9
 
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In this video, you will learn how Checkpoints are used in Oracle GoldenGate. It helps you to understand the purpose of Checkpoints including, Transaction Integrity, Ordering transaction and recovery of processes after a stop or crash. 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: 5663 Ramkumar Swaminathan
Shutdown Basics in Oracle Database
 
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Hello friends today i'm going to explain you very important topic shutdown basics in oracle database understand all things. #ShutdownBasics Oracle database Unbeatable,Unbreakable Platform..
Views: 506 Oracle World
ORACLE Database Firewall Tutorial - Part5: Creating Enforcement Point for Monitoring Database
 
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ORACLE Database Firewall Tutorial - Part5: Creating Enforcement Point for Monitoring Database
Views: 2484 CLEO & CUQUIN
قواعد البيانات 8 (Control Files (Oracle DBA 11g Tutorial
 
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قواعد البيانات 8 Oracle DBA 11g Tutorial concept of control files The database name Names , locations of datafiles and redo log files timestamp of the database creation current log sequence number Checkpoint information
Views: 159 Ahmed Ybat
Oracle DB - Process
 
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Oracle DB - Process Watch More Videos at: https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Parth Panjabi, Tutorials Point India Private Limited
#6 May 2011: Checkpoint tracking
 
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SQLskills Insider video from May 15th, 2011 newsletter. Several times recently I've been asked about checkpoints and how to track the I/O load they place on SQL Server. There are two trace flags you can use to trace checkpoint information so you can tell which database is the one undergoing a checkpoint when an I/O spike occurs. To show you this I thought I'd do a demo for you. The short video (11 minutes) shows how to track checkpoints using perfmon, the trace flags, and looking in the log to examine the checkpoint log records themselves. Demo code: http://www.SQLskills.com/InsiderContent/YouTube/Insider201105Code-2.zip You can get all the Insider videos by joining our community, with a bi-weekly newsletter with an editorial, demo video, and book review. http://www.SQLskills.com/Insider.
Views: 4360 Paul Randal
Oracle dba online training - architecture (5) - (LGWR and CKPT)
 
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Oracle database architecture (5) - (LGWR and CKPT) by Prasad Mynumpati - http://oracledbatech.com - for all videos www.youtube.com/dbatechnologies
Oracle Undo & Redo Explained
 
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Comparison Of Oracle Undo & Redo Database Checkpoints Transaction Commits
Views: 6129 John Boyle
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: 7255 DBA Genesis
Redo & Undo Concept in Oracle Database
 
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Here I have explained the redo and undo concepts. Below are the observations 1. Datafiles may contain uncommitted data (buffers dirtied by uncommitted transaction and checkpoint takes place) 2. Committed data may not be there in data files (Checkpointing not done after commit) 3. Redo/undo for committed changes will always be there in redo logs (Lgwr writes on commit). 4. redo/undo for Uncommitted changes may be there in redo logs(Lgwr writes every 3 seconds) 5. In addition to redo logs, undo information a) may be present in the buffer cache (checkpoint has not taken place after the change) b) will be written to undo tablespace on checkpoint
Views: 120 Ali Naveed
Chekpoint with immediate update method in RDBMS
 
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In this video we are going to learn how to ise immediate update method in checkpoint in rdbms RELATIONAL DATABASE MANAGEMENT SYSTEM ================================ https://www.youtube.com/playlist? list=PLBiOVl7bSPKImPF6kstNxqs2PiNEr Gi_n Visual Basic =================================== = MULTIPLICATION TABLE :https://youtu.be/wGMu3PI5Meo CREATE MENU IN VB:https://youtu.be/S0__4tNADoM DATABASE USING STANDARD CONTROL:https://youtu.be/izDNBrQnZE ARRAY IN VISUAL BASIC: https://youtu.be/6OoRT-4DpmY ALL PLAYLISTS ALL MICROSOFT VISUAL BASIC TUTORIALS: =================================== =========== www.youtube.com/playlist? list=PLBiOVl7bSPKJkepKByNRq0x7iCRni ohdX ALL C++ TUTORIALS =================================== == https://www.youtube.com/playlist? list=PLBiOVl7bSPKIHlRgO8VHAD9SUM- 1eOyDZ C++ PLAYLIST: ================================= INHERITENCE: https://www.youtube.com/playlist? list=PLBiOVl7bSPKLBPJJiOYF0N5aC1DlC jMmR CONSTRUCTOR: https://www.youtube.com/playlist? list=PLBiOVl7bSPKJNTy5vwErCvgt_FOaD DT1C ALL TECH SUNDAY VIDEOS: =================================== ============ https://www.youtube.com/playlist? list=PLBiOVl7bSPKJ6vSil3Q8OdD- 1hgGyNunP ALL CHANNEL ANNOUNCEMENTS: =================================== ======================== NEW ANNOUNCEMENT ON CHANNEL: https://youtu.be/A5wJ4uUx5qc TECH SUNDAY =================================== =============================== HOW TO BOOK TATKAL TICKET: https://youtu.be/2d20lPfszK4
Views: 5159 Techogram
قواعد البيانات 11 (Background Process 2 -DBWR,LGWR (Oracle DBA 11g Tutorial
 
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Oracle DBA 11g Tutorial Background Process part 2 (DBWR,LGWR,CKPT,ARCH) oracle database writer background process dbwr log writer background process lgwr checkpoint background process ckpt archive process
Views: 500 Ahmed Ybat
Le Processus Oracle  ChecKPoinT CKPT.
 
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http://droe-dba.over-blog.fr/article-processus-checkpoint-ckpt-99271292.html https://www.facebook.com/foalenglowe.rene
Views: 39 FOALENG LOWE Rene
Checkpoint Oracle 11g - Bases de Datos USAC
 
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En este vídeo se demuestra el uso del checkpoint en oracle 11g Link de Scripts: https://mega.co.nz/#!hVdQ3S4K!EiVwJAMX9uvENS0nRSlgQmhtP8tjiq3dnQ_xER_m_1w
Views: 564 Gary Lopez
Oracle Instance Recovery Tutorial - Module 8 - What About Checkpoints?
 
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When does Oracle issue a checkpoint? Learn the answer to this and more in SkillBuilders free Instance Recovery Tutorial. See all 14 modules in this tutorial at SkillBuilders.com/InstanceRecoveryTutorial
Views: 1089 SkillBuilders
Check Point Security Management Server Installation
 
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This video shows how to install Check Point Security Management Server version R77 on VMware Workstation 10
Views: 16299 Jafer Sabir
Oracle Database and Instance Components - DBArch Video 3
 
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In this video you will learn about the Relationship between and Oracle Instance and an Oracle Database. You will know about the various components of an Instance ( SGA and Background Processes) and the various files of the Database and how they interact. 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: 41953 Ramkumar Swaminathan
Module 1 - Architecture
 
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SQL Server Query Lifecycle, Data Pages, Lazy Writer, Checkpoint, Storage and Relational Engine, ACID Properties, Editions and Versions and Demo: First steps with SQL Server This video is part of the SQL Server Overview Training material. Check out the following links for the full content: SQL Server Overview Training Space ( Playlist - Select which Module to view) https://www.youtube.com/watch?v=_nrSOANNVEU&list=PLviL2Q5l6zXpvEAyIk8IzPzdjW_5swPDj SQL Server Overview Training (Full - All modules without interruption - 3.5 hours) https://www.youtube.com/watch?v=YuZdEqh94G4
Views: 13605 Frigo
Oracle Database tablespace,  Datafile and control files
 
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Oracle tablespace are logical containers of datafiles. Datafiles are physical files which contains data stored in binary format. Control file contains information about the database and the datafile location as well as checkpoint information
Views: 207 joey de jesus
Database Checkpoints in TestComplete 8
 
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When testing an application that accesses a database, you may need to verify the contents of database tables and views as well as results of custom SQL queries. TestComplete allows you to perform these kinds of checks from automated tests using database checkpoints. This video demonstrates how you can create database checkpoints and use them in your automated tests.
Views: 10076 AutomatedQA
what is checkpoint in Sql server?
 
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The process of writing dirty pages from buffer to disk is called Checkpoint.Please watch our video for more detail.
Views: 3745 SqlIsEasy
how to take  hot backup of database manually
 
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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: 2208 Praveen Biyyapu
Oracle Database architecture part 7: Database Writer DBWn
 
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Oracle Database architecture part 7: Database Writer DBWn
Views: 741 khaled alkhudari
DATABASE REVISION CONTROL ON CHECKPOINT R65 FIREWALL
 
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This videos shows how to use Database Revision Control in Checkpoint R65 Firewall.
Views: 1010 Rakesh Rawat
CS352 - Database Management System 2 Week 1: Oracle Architecture ► Activity 1
 
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OPEN DESCRIPTION BOX FOR A TRANSCRIPT It is also known as specific connection of a user to an instance through a user process Answer: Session It is part of the System Global Area (SGA) that hold copies of data blocks that are read from data files Answer: Data Buffer Cache It is part of the System Global Area which is used to provide memory for Oracle Streams processes Answer: Java Pool It is the key in solving the problems of information management. Answer: Database Server Which of the following are mandatory tablespaces that are created at the time of database creation Answer: System and Sysaux Also known as Oracle Database backup and restore operations Answer: Large Pool It holds information about changes made to the database Answer: Redo Log Buffer It is a collection of data treated as a unit with the main purpose of storing and retrieving related information in the database. Answer: Oracle Database It is a communication between a user process and an instance Answer: Connection It is a type of process structure that automatically connects to other databases involved in in- doubt distributed transactions Answer: Recoverer Process It is a type of process structure that can collect transaction, redo data and transmit that data to standby destinations Answer: Archiver Processes (ARCn) It is a type of process structure that cleans up the database buffer cache Answer: Process Monitor Process (PMON) It is a type of process structure that records checkpoint information in Control file on each data file header Answer: Checkpoint Process (CKPT) It is a type of process structure that writes modified (dirty) buffers in the database buffer cache asynchronously while performing other processing to advance the checkpoint Answer: Database Writer Process (DBWn) It is a type of process structure that writes the redo log buffer to a redo log file on disk Answer: Log Writer Process (LGWR)
Database Checkpoints in QTP
 
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This video describes the functionality of Checkpoints. The Checkpoints is used to check the expected value in the database with the actual value in the Database
Views: 187 elysiumacademy
Oracle DB 12c - Managing CDB & PDB
 
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Oracle DB 12c - Managing CDB & PDB Watch more videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Parth Panjabi, Tutorials Point India Private Limited
Oracle Background Process
 
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Oracle Database background processes If you like my work, please hit Like and share. Also Subscribe to my channel to stay updated
Views: 897 Infra DBA
Chained rows? Migrated rows?
 
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Understanding the basics of what happens when rows are just too damn big. blog: https://connor-mcdonald.com Highlights from the June DBA Office Hours session. Subscribe as new tech videos come every week!
Views: 705 Connor McDonald
CHECKPOINT BACKUPS
 
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By John Lukey
Views: 1957 CheckNet Solutions
Transacciones y Checkpoint
 
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Se ejecutan varias transacciones y se comprueba si estas han sido guardadas o no, dependiendo del Checkpoint. Comandos usados: - sqlplus user/pass - alter system checkpoint - execute insertar - sudo killall -s 9 oracle - sudo service oracle-xe force-reload Diagrama: https://dl.dropboxusercontent.com/u/66451173/Bases%202/Tarea%202/Trans.png Database: https://dl.dropboxusercontent.com/u/66451173/Bases%202/Tarea%202/database.sql Procedure: https://dl.dropboxusercontent.com/u/66451173/Bases%202/Tarea%202/procedure.sql Julio César Osorio Boror 201020177
Views: 179 Julio Osorio
how to start and stop oracle database
 
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startup and shutdown modes of oracle database startup - it will startup database to read write mode. shutdown - normal shutdown. startup mount; -- maintenace mode. startup nomount; - it reads the pfile. alter database mount; - maintenance mode. alter database open; - it opens the database to read write mode. shutdown ========== alter database close; alter database dismount; shutdown; startup force; - it will shutdown and restart database (note: not recommende :)) it is like restart option in windows o/s select name,open_mode from v$database;
Views: 4476 Praveen Biyyapu
Transaction Failure, Recovery and Log
 
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Join Discussion: http://www.techtud.com/video-lecture/transaction-failure-revovery-and-log IMPORTANT LINKS: 1) Official Website: http://www.techtud.com/ 2) Virtual GATE: http://virtualgate.in/login/index.php Both of the above mentioned platforms are COMPLETELY FREE, so feel free to Explore, Learn, Practice & Share! Our Social Media Links: Facebook Page: https://www.facebook.com/techtuduniversity Facebook Group: https://www.facebook.com/groups/virtualgate Google+ Page: https://plus.google.com/+techtud/posts Last but not the least, SUBSCRIBE our YouTube channel to stay updated about the regularly uploaded new videos.
Views: 70137 Techtud
2.ORACLE WORLD - Recovery of Drop Table with purge condition using Current SCN Number in Flashback
 
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Hello friends in this video we learn about that how to recover a permanent dropped table using current SCN number in Oracle database using Flashback Technology ... #RecoveryofDropTable #performingflashback By Lalit saini
Views: 2641 Oracle World
DBMS - Do, Undo, Redo
 
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DBMS - Do, Undo, Redo Watch more Videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Arnab Chakraborty, Tutorials Point India Private Limited
Oracle DB 12c - Real Time ADDM
 
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Oracle DB 12c - Real Time ADDM Watch more videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Parth Panjabi, Tutorials Point India Private Limited
Using Savepoint, Commit and Rollback in SQL,  Class 12 IP
 
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This video explains what are transactions, How transactions work, their properties and how to solve output questions using Commit, Rollback and Savepoints. Also explain the purpose of Autocommit.
Views: 16893 Anjali Luthra
database is in hot backup mode,db crashes now how to recover and open the database
 
04:06
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: 871 Praveen Biyyapu
Let us understand Oracle Undo
 
11:37
Understand what is undo , undo is used in transaction,data consistency,recovery and also in flashback database .Note data goes to database only during checkpoint . Not when you fire a commit .
CheckPoint Video
 
01:04:09
Views: 75 Sai Shraddha