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Oracle DBA, log switch,  Log writer, Redolog, log sequence number, 1e3
 
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Oracle redolog and logwriter background process
Views: 3917 hammadshams
Redo Logs in an Oracle Database - DBArch Video 11
 
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This video explains the concepts of Redo Log Groups and Files in an Oracle Database. You will understand how Oracle Instance uses Redo Buffers and Logwriter to keep the redo in Redo Logs. 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: 13194 Ramkumar Swaminathan
Oracle Database11g tutorials 9 || What is archive log mode and how to enable archive log mode
 
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weblink: www.rebellionrider.com What is archive log mode What is noarchive log mode How to enable archivelog mode in oracle 11g How to enable archivelog mode in oracle 10g This SQL tutorial and Oracle database 11g tutorial for beginners will show what are ARCHIVELOG mode and noarchive log mode and how to enable archivelog mode in oracle database 11g or 10g Tool used in this tutorial is command prompt. This tutorial series is part of SQL expert exam certification training. if you are preparing for SQL certification you can use my tutorials. This SQL Tutorial is a part of free training. Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=j7eYO7 Contacts E-Mail [email protected] Twitter https://twitter.com/rebellionrider Instagram http://instagram.com/rebellionrider Facebook. https://www.facebook.com/imthebhardwaj Linkedin. in.linkedin.com/in/mannbhardwaj/ Thanks for linking, commenting, sharing and watching more of our videos This is Manish from The Code makers
Views: 93774 Manish Sharma
SCPT 8: Redo Log Files
 
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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: 49835 Oresoft LWC
Oracle Tuning - Diagnosticando e corrigindo lentidão - LOG FILE SWITCH
 
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Oracle Tuning - Diagnosticando e corrigindo lentidão - LOG FILE SWITCH
Views: 855 Nerv
Oracle Basics: ARCHIVELOG mode
 
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Understanding Oracle's ARCHIVELOG mode
Views: 12245 Chris Ostrowski
Oracle 10g Redo Log Files
 
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Session About Oracle 10g Redo Log Files and Archived files. How to manage and maintain Redo logs groups and files (Create, Add, Drop, Rename, Move and Switch)
Views: 3091 ITLecture
Oracle DBA, Redo logs 1e1
 
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Views: 3811 hammadshams
Monitoring, the Prometheus Way
 
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Julius Volz - Co-Founder, Prometheus Prometheus is an opinionated metrics collection and monitoring system that is particularly well suited to accommodate modern workloads like containers and micro-services. To achieve these goals, it radically breaks away from existing systems and follows very different design principles. In this talk, Prometheus founder Julius Volz will explain these design principles and how they apply to dockerized applications. This will provide insight useful to newcomers wanting to start on the right foot in the land of container monitoring, but also to veterans wanting to quickly map their existing knowledge to Prometheus concepts. In particular, a demo will show Prometheus in action together with a Docker Swarm cluster.
Views: 53936 Docker
قواعد البيانات 9 (Redo Log File,Archive Log File (Oracle DBA 11g Tutorial
 
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Oracle DBA 11g Tutorial Redo Log File , archive log file online redo log offline redo log file archive log file Log Switches
Views: 559 Ahmed Ybat
Oracle DBA, Implement archive log mode 1e8
 
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how to implement archive log mode in oracle
Views: 1607 hammadshams
SCPT 13: Oracle Redo Buffer Cache
 
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In this video we will learn about Redo Buffer Cache in Oracle RDBMS. 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: 26790 Oresoft LWC
Oracle DBA, Adding  a redolog member to a group 1e4
 
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How to add members to redo log groups
Views: 1234 hammadshams
Oracle Putty configuration and basic commands
 
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Oracle Putty configuration and basic commands and how to clear errors in oracle installation in vmware linux. i have used fedora
Views: 3962 Godwin Theophilus
can we take hot backup when the database is in noarchive log mode
 
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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: 304 Praveen Biyyapu
Tutoriel Oracle DBA1 (35) : Le processus LGWR (LoG WRiter).
 
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Bonjour, Abonnez-vous à Sybaway : http://goo.gl/dBJO13 Plus de tutoriels : http://goo.gl/Ut31RF Facebook : http://goo.gl/DC7AIA Twitter : http://goo.gl/PUrQga Sybaway
Views: 1640 Abdessamad HALLAL
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: 19736 Ezylearning
Libelle DBShadow for Oracle Databases - Switch Back to Production System
 
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Part 5 of 5 - Demonstration of a switch back from a standby to a production system using Libelle DBShadow for Oracle Databases. Part 1 - https://www.youtube.com/watch?v=ZTyJb8JohRI Part 2 - https://www.youtube.com/watch?v=MlPZ6BhnZeU Part 3 - https://www.youtube.com/watch?v=kkrRE55QF18 Part 4 - https://www.youtube.com/watch?v=hvAD_5idZK8 For more information, visit http://www.libelle.com
Views: 109 Libelle AG
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: 5783 Oracle World
Oracle CASB Cloud Service: Turn on Cross-Account Logging in AWS
 
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Cross-Account logging is a configuration in Amazon Web Services that allows users to pipe CloudTrail log data from one account to another account’s S3 bucket. Learn how to set up cross-account logging between two AWS accounts. ================================= To improve the video quality, click the gear icon and set the Quality to 1080p/720p HD. For more information, see http://www.oracle.com/goto/oll and http://docs.oracle.com Copyright © 2017 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
Oracle username and password and Account unlocking
 
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all education purpose videos
Views: 265392 Chandra Shekhar Reddy
ORACLE: BACKUP/RECOVERY - Chuyển đổi qua lại giữa ARCHIVE LOG và NOARCHIVE LOG
 
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Switch database between ARCHIVELOG and NOARCHIVELOG mode. -------------- - Lệnh để kiểm tra DB đang ở archive mode. - Chuyển DB từ NoArchive sang Archive. - Chuyển DB từ Archive về lại NoArchive
Views: 546 Database Tutorials
Oracle Tutorial in Hindi - How to Multiplex/Mirror a Redo Log File of an Oracle Database
 
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How to Multiplex/Mirror a Redo Log File of an Oracle Database... by Lalit Saini....
Views: 5288 Oracle World
Oracle Redo Log Files.avi
 
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En este video se describe la función, estructura y configuración de los archivos Redo Log Online de la base de datos Oracle
Views: 734 CastilloMauricio
DB Instance Viewer in SQL Developer 4.1
 
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Visualize the status of your database in a brand new, graphical representation of the IO, wait events, storage, log switches, and processes. Requiring no server side objects, agents, or database changes, this new SQL Developer feature will shorten the amount of time it takes to diagnose ongoing performance issues. From the main page, DBAs and power users can quickly drill down into various activity reports to see the details. NOTE: This is a video only. There is no audio. Copyright © 2015 Oracle and/or its affiliates. Oracle is a registered trademark of Oracle and/or its affiliates. All rights reserved. Other names may be registered trademarks of their respective owners. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the “Materials”). The Materials are provided “as is” without any warranty of any kind, either express or implied, including without limitation warranties or merchantability, fitness for a particular purpose, and non-infringement.
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: 3111 Oracle World
oracle tutorial for beginners - Redo Log File Recovery in Hindi.
 
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incomplete recovery of redo log files.
Views: 1486 OCP Technology
How to Install Oracle! !! Database Training
 
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For Complete Database Training Details Visit: http://www.qaonlinetraining.com http://infotek-solutions.com/ Delivery Method: Instructor led classroom and Online Training supported by world class Learning management system which automate all flow of lectures, videos, assignments, forums, quizzes and interview process. Class Schedule: Week-ends and Weekdays Contact Us: 571-437-0652, Mail Us: [email protected] Training Locations at : Ashburn / Fairfax / Maryland Office Address: 12801 Worldgate Dr #500, Herndon, VA 20170 Overview of Oracle DBA Training Oracle as a flexible, complex & robust RDBMS The evolution of hardware and the relation to Oracle Different DBA job roles (VP of DBA, developer DBA, production DBA, database babysitter) The changing job role of the Oracle DBA Environment management (network, CPU, disk and RAM) Instance management (managing SGA regions) Oracle table and index management Instance Architecture Instance vs. database Components of an instance Creating the OFA file structure ($DBA, bdump, udump, pfile) Oracle Instance Internals SGA vs. PGA Background processes Interfaces with server and disk I/O subsystem Using SQL*Plus for DBA management Connecting and executing SQL Using the “as sysdba” syntax Overview of SQL*Plus DBA commands (startup, etc.) Control file, UNDO and REDO management Explaining the use of control files Listing the Contents of the control File File locations for control Files Obtaining Control File Information Listing control file contents Displaying and Creating Undo segments Altering Undo Segments Determining the Number and Size of Undo segments Understanding flashback technology Troubleshooting Undo – snapshot too old Redo log concepts for recovery Online redo log (log_buffer) online redo logs and archived redo logs Oracle ARCH and LGWR background processes Redo log dictionary queries Redo log switch frequency and performance Multiplexing the Online Redo Log Files Archiving the Oracle Redo Logs Recovery using the redo log files User and privilege management The three security methods (VPD, Grant security/role-based security, grant execute) Creating New Database Users Using pre-spawned Oracle connections Auditing User activity Identifying System and Object Privileges Granting and Revoking Privileges Creating and Modifying Roles Displaying user security Information from the Data Dictionary Overview of instance management Parameter files (init.ora, listener.ora, tnsnames.ora) Rules for sizing SGA components Automated Oracle memory management (AMM) Initialization file management Creating the init.ora file Using spfile Displaying init.ora values with v$parameter Oracle*Net configuration Creating the listener.ora file Creating the tnsnames.ora file Data buffer configuration & sizing Inside the Oracle data buffers Using the KEEP pool Monitoring buffer effectiveness Using multiple blocksizes (multiple buffer pools) Shared pool and PGA configuration & Sizing Shared pool concepts and components Understanding the library cache Relieving shared pool contention Overview of PGA for sorting and hash joins Using sort_area_size, hash_area_size and pga_aggregate_target Troubleshooting network connectivity Verifying network connectivity with ping and tnsping Testing database links Oracle tables, views and materialized views Types of Oracle tables (regular, IOT, sorted hash clusters, nested tables) Oracle Views Oracle materialized views Oracle indexes Types of Oracle indexes (b-tree, bitmap, bitmap join index) Creating B*-Tree, bitmap and function-based Indexes Function-based indexes Finding indexing opportunities Index maintenance Oracle constraints Costs & benefits of constraints Types of Oracle indexes constraints (check, not null, unique, PK, FK) Cascading constraints Schema, File & tablespace management Describing the relationship between data files, tablespaces and table Understanding Oracle segments Creating Tablespaces – using the autoextend option Changing the Size of Tablespaces – alter database datafile command Defining a TEMP tablespace Changing the default storage Settings for a tablespace Review of the storage parameters in DBA views (ASM, ASSM, pctfree, pctused and freelists). Monitoring Chained rows (fetch continued rows) Monitoring Insert and Update performance (pctused, APPEND) Database Maintenance Reason for reorgs – chained rows, imbalanced freelists Reorganizing Tables using Export and Import Using CTAS to reorganize data Index rebuilding Backup & Recovery overview (hot & cold Backups, RMAN, block change tracking) Oracle DBA Utilities Data pump (Imp and exp utilities) SQL*Loader LogMiner Flashback DataGuard Oracle DBA utilities – Oracle dbms packages (dbms_redefinition)
oracle location of alert log file
 
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http://dbacatalog.blogspot.com
Views: 1895 dbacatalog
Oracle Tuning - Diagnosticando e corrigindo lentidão - LOG FILE SYNC
 
05:31
Oracle Tuning - Diagnosticando e corrigindo lentidão - LOG FILE SYNC
Views: 1295 Nerv
Tutoriel Oracle DBA1 (34) : Les fichiers Redo Log.
 
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Bonjour, Abonnez-vous à Sybaway : http://goo.gl/dBJO13 Plus de tutoriels : http://goo.gl/Ut31RF Facebook : http://goo.gl/DC7AIA Twitter : http://goo.gl/PUrQga Sybaway
Views: 1701 Abdessamad HALLAL
Oracle DBA Justin - How to reset the log sequence number in an Oracle database
 
10:39
How to reset the log sequence number in an Oracle database
Views: 5043 jbleistein11
Oracle 11g Multiplexing Your Online Redo Log Files
 
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In this tutorial i'm going to show you how to do Multiplexing Your Online Redo Log Files in Oracle 11g using command mode.
Views: 1436 OCP Technology
Redo Log - Oracle
 
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Redo Log Files en Oracle
Recovering lost datafile with help of Backup and Non Switched Redo logs
 
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By Vivek Saxena Insa Shabad Coachings Rrecover lost datafile upto Current Position by storing it from backup and recovering with help Non switched redo logs fix: ORA-01157:cannot identify/lock data file ORA-01110: data file sqlplus/nolog conn/as sysdba shut immediate startup mount alter database noarchivelog; alter database open; shut immediate startup archive log list create table vivek (rn number(10)) tablespace vivek1; insert into vivek values(1); commit; //not switch the redo logs shut immediate startup shut immediate startup recover database alter database open select * from vivek;
Oracle DBA Justin - How to mirror/multiplex online redo log files
 
08:32
How to mirror/multiplex online redo log files
Views: 5815 jbleistein11
18 Redo Log Management
 
24:26
Redo Log Management in Oracle DBA
Views: 3957 NewTechnology
Real-World Performance - 17 - Database Log Writer
 
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Check out the entire series on the Oracle Learning Library at http://www.oracle.com/goto/oll/rwp In this video, listen and watch Andrew Holdsworth, Vice President of Oracle Database Real-World Performance at Oracle Corporation, as he explains how the Database Log Writer affects performance. Copyright © 2014 Oracle and/or its affiliates. Oracle® is a registered trademark of Oracle and/or its affiliates. All rights reserved. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the "Materials"). The Materials are provided "as is" without any warranty of any kind, either express or implied, including without limitation warranties of merchantability, fitness for a particular purpose, and non-infringement.
Oracle DBA Justin - How to rename/move an online redo log file
 
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How to rename/move an online redo log file
Views: 4960 jbleistein11
Oracle 11g Multiplexing Your Online Redo Log Files
 
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Multiplexing Your Online Redo Log Files in Oracle 11g using Enterprise Manager Database Control
Views: 3064 DBASoup
07 - Redolog file mgmt
 
10:09
Views: 292 Khadeer Khan
Oracle DBA, How to drop an online redolog member 1e5
 
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How to drop and online redolog member which has invalid status
Views: 987 hammadshams
Log your putty session into text files
 
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https://dbagenesis.com/p/the-ultimate-putty-guide-using-putty-for-ssh PuTTY is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. It can also connect to a serial port. The name "PuTTY" has no definitive meaning.
Views: 2564 DBA Genesis
How to Download the SIP Message Log from an Acme Packet Net-Net C-Series Session Border Controller
 
02:26
This video is about downloading the SIP Message Log from an Acme Packet Net-Net C-Series Session Border Controller, and applies to Acme Packet Net-Net 3800 and Net-Net 4500 Session Border Controllers. We demonstrate the downloading of the current SIP Message Log file. Video Content Timeline 00:05 Title 00:19 Intro 00:50 Navigate to "/ramdrv/logs" directory 01:24 Download "sipmsg.log" file 01:36 Disconnect 01:59 Thank you; Questions/Feedback Produced by Ricardo Cadena.
Views: 3725 Avaya Mentor
Oracle DBA, Redologs, hands on 1e2
 
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Oracle DBA redologs
Views: 1493 hammadshams
Enable Archivelog Step by step by Le Anh
 
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Enable Archivelog Step by step by Le Anh with user Oracle step 01: shutdown database shut immediate; step 02: startup nomount; startup nomount; step 02: config prameter: mkdir -p /u01/archivelog alter system set log_archive_start=TRUE SCOPE=SPFILE; System altered. alter system set log_archive_dest_1='LOCATION=/u01/archivelog' scope=spfile; System altered. step 04: Now we mount the database instance: alter database mount; Database altered. Step 05: And finally, we set the database to archive log mode: alter database archivelog; Database altered. Step 06: open database; alter database open; step 07: check archivelog archive log list; switch log ALTER SYSTEM SWITCH LOGFILE; Thanks;
Views: 21 Anh Lê Ngọc

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