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Oracle RAC Components | Basic cluster components
 
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https://dbagenesis.com/p/oracle-11gr2-rac-for-beginners A computer cluster consists of a set of loosely or tightly connected computers that work together so that, in many respects, they can be viewed as a single system. Unlike grid computers, computer clusters have each node set to perform the same task, controlled and scheduled by software. The components of a cluster are usually connected to each other through fast local area networks, with each node (computer used as a server) running its own instance of an operating system. In most circumstances, all of the nodes use the same hardware and the same operating system, although in some setups (i.e. using Open Source Cluster Application Resources (OSCAR)), different operating systems can be used on each computer, and/or different hardware.
Views: 14375 DBA Genesis
The Oracle Real Application Clusters (RAC) Family of Solutions - A User Guide
 
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In this presentation, Markus Michalewicz illustrates that RAC is more than the HA database system it is widely known for and presents additional perspectives for products, layers and features to make Oracle RAC the perfect solution.
What is Oracle Real Application Cluster (RAC)?
 
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http://zerotoprotraining.com This video explains what is Oracle Real Application Cluster (RAC). Category: Databases Tags: Oracle Real Application Cluster (RAC) Overview
Views: 129662 HandsonERP
Oracle Grid Infrastructure and Real Application Clusters - Introduction - RAC 01
 
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This is an introduction video that introduces concepts of Clusters and the important terms in Oracle Real Application Clustering... 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: 20477 Ramkumar Swaminathan
Install 12C RAC database with ASM on Linux Oracle VM
 
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Install 12C RAC database with ASM on Linux Oracle VM
Views: 29329 Karl Sun
Background Processes In an Oracle RAC environment
 
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To maximize performance and accommodate many users, a multiprocess Oracle Database system uses background processes. Background processes consolidate functions that would otherwise be handled by multiple database programs running for each user process.
Views: 1524 Koenig Solutions
Oracle 11g RAC step by step Practice
 
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Oracle 11g RAC step by step Practice
Views: 534 hisiddiqueify
HOW TO INCREASE DECREASE MEMORY TARGET IN ORACLE 11G
 
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How to increase/decrease memory_target in 11g ====================================================== oracle 10g --sga_target (parameter new in 10g) oracle 11g --memory_target (parameter new in 11g) How to check whether the parameter is static or dynamic? ========================================================= select name, value, issys_modifiable from v$parameter where name like '%&parameter%' ; if issys_modifiable=false --- parameter is static (database bounce required) if issys_modifiable=immediate --- parameter is dynamic (database bounce not required) (note: consider using spfile) sql commands ================ show parameter memory; alter system set memory_target=350m scope=spfile; alter system set memory_max_target=350m scope=spfile;
Views: 5532 Praveen Biyyapu
SCAN Explained - SCAN Part 3 - RAC 05
 
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In this video, the last in the series about SCAN, you will understand how SCAN helps in a Cluster with server pools to enable applications to connect easily to Database Services. 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: 12328 Ramkumar Swaminathan
Creating an Oracle 12c R2 Physical Standby RAC Database from a Primary RAC
 
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#Purpose This tutorial demonstrates creating an Oracle 12c R2 Physical standby RAC database from a Primary RAC database. #Tutorial Document The tutorial has been documented and its document can be downloaded from the following link: http://www.ahmedbaraka.com/videos #TIMESTAMPS 0:03 Introducing the tutorial 7:30 Data Guard Considerations in RAC 10:40 Start of the tutorial 14:20 Preparing the Primary Database 27:05 Prepare the Standby System 33:00 Creating the Standby Database 58:00 Testing the Data Guard Functionality #LINKS Have a look at my course https://www.udemy.com/oracle-database-12c-rac-administration #about Ahmed Baraka I began my career as an Oracle Developer but soon transitioned to Oracle Database Administration. I have 18 years of extensive experience in the computer industry, with focus on Oracle database administration technologies like Oracle RAC, ASM, Data Guard, GoldenGate, WebLogic, Database Appliance, and Enterprise Manager. # Download You can download the VM machines (appliances) that has been created in the tutorial from the following link: http://www.ahmedbaraka.com/download.html #Contact Info [email protected] https://www.facebook.com/profile.php?id=100010975452842 https://twitter.com/hmedBaraka1
Views: 4085 Ahmed Baraka
Extended distance Oracle RAC: zero downtime, high speed, commodity hardware only
 
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Oracle Real Application Clusters (Oracle RAC) offer unique capabilities for high-availability and local disaster recovery of mission-critical databases. Zero downtime can be achieved in cases of localized disasters by using two or three sites located up to 100km apart. Unlike replication techniques, in extended distance clusters the data is mirrored synchronously across the sites. At any given time all locations have exact full copy of the data. In this webinar you will learn how to build high-speed extended distance Oracle RAC clusters using commodity servers, commodity NVMe SSDs, and FlashGrid software. Speaker: Artem Danielov, FlashGrid Inc.
Views: 2440 Oracle RAC SIG
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: 6272 Ramkumar Swaminathan
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: 42210 Ramkumar Swaminathan
What is the difference between database refresh and database cloning
 
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DBA Technologies. What is the difference between database refresh and cloning. http://oracledbatech.com
Oracle RAC-Configure Shared Storage & ASM (04)
 
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In this part of Oracle RAC DBA tutorial showing how to Configure Shared Storage & Automatic Storage Management (ASM)
Views: 14 G Tech
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]com
Views: 22791 Ramkumar Swaminathan
What are the different types of Tablespaces in an Oracle Database - DBArch Video 23
 
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In this video you will understand about the different types of tablespaces and their use/purpose. . 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: 14808 Ramkumar Swaminathan
UCS Differentiators for Oracle RAC  and Single-Instance Database
 
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Listen to how UCS servers and their service profiles and SingleConnect technology give customers the revolutionary benefits of better uptime, licensing savings and days-to-minutes provisioning reductions for single-instance databases and Oracle RAC clusters. For More Information http://cs.co/6051q8TW
Views: 241 Cisco
how to install oracle 11.2 on AIX 6.1- Part 1
 
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step by step guide : install and configure oracle 11.2 on AIX 6.1- Part 1 Part 2: http://youtu.be/z3rqGM4u7vI part 3: http://youtu.be/cYwpjQdlhsc
Views: 6553 How to configure
Split brain problem in Distributed database systems
 
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In this video, I have explained what is split brain problem in distributed systems and possible ways to solve them.
Views: 859 Ruby
Oracle Database Instance Memory Structures - DBArch Video 4
 
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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: 33431 Ramkumar Swaminathan
Installation,Configuration of Oracle 12C RAC (12.2.1.0)
 
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Installation, Configuration of Oracle 12c RAC and Creating ACFS mount points to create a database in the ACFS mount points.
ORACLE RAC DBA ONLINE TRAINING
 
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www.saponlinetraining.in is providing oracle rac dba online training contact us:+91-9533456356,USA :+1-847-787-7647,[email protected], By Real Time Experts in USA, Canada, Australia,Dubai,Southafrica,Germany,Denmark. Overview of Oracle Real Application Clusters : A cluster comprises multiple interconnected computers or servers that appear as if they are one server to end users and applications. Oracle Real Application Clusters (Oracle RAC) enables you to cluster Oracle databases. Oracle RAC uses Oracle Clusterware for the infrastructure to bind multiple servers so they operate as a single system. Oracle Clusterware is a portable cluster management solution that is integrated with the Oracle database. Oracle Clusterware is also a required component for using Oracle RAC. In addition, Oracle Clusterware enables both single-instance Oracle databases and Oracle RAC databases to use the Oracle high-availability infrastructure. Oracle Clusterware enables you to create a clustered pool of storage to be used by any combination of single-instance and Oracle RAC databases. Oracle Clusterware is the only clusterware that you need for most platforms on which Oracle RAC operates. You can also use clusterware from other vendors if the clusterware is certified for Oracle RAC. In database computing, Oracle Real Application Clusters (RAC) an option for the Oracle Database software produced by Oracle Corporation and introduced in 2001 with Oracle9i provides software for clustering and high availability in Oracle database environments. Oracle Corporation includes RAC with the Standard Edition of Oracle Database, but makes it an extra-charge option for the Enterprise Edition. Functionality Oracle RAC allows multiple computers to run Oracle RDBMS software simultaneously while accessing a single database, thus providing clustering. Advanced Oracle DBA Training Syllabus – RAC Oracle 11g R2 Grid Infrastructure Concepts What is a Cluster Grid Foundation Components Oracle Clusterware Architecture Oracle Clusterware Software and Storage Describe ASM Architecture Creating and Managing ASM Disk Groups Creating and MaMaximum Protection Maximum Availability Maximum Performance Comparisons How to Set the Mode Creating a Physical Standby Database by Using SQL Preparing the Primary Database Setting Initialization Parameters on the Primary Database Backing Up the Primary Database Creating a Control File for the Standby Database Setting Initialization Parameters on the Standby Database Setting Up the Environment to Support the Standby Database Starting the Physical Standby Database Performing Additional Configuration Tasks Creating a Logical Standby Database by Using SQL Preparing to Create a Logical Standby Database Creating a Physical Standby Database Preparing the Primary Database Transitioning to a Logical Standby Database Opening the Logical Standby Database Verifying the Logical Standby Database naging ASM Cluster File systems Administering Oracle Clusterware Troubleshooting Oracle Clusterware Grid Infrastructure Installation and Configuration Hardware Requirements Network Requirements Software Requirements DNS and DHCP Configuration Grid Plug and Play Considerations Single Client Access Names Post installation tasks Oracle Automatic Storage Management concepts ASM Instance ASM Disks ASM Disk Groups ASM Redundancy Cluster installation Prerequisite for Oracle 11g R2 RAC Linux OS Software Installation Create OS Group and User Accounts
Views: 398 specto it
Part 5: Extend to 4th node; 3 nodes of Oracle RAC 11g R2 in VMWare
 
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http://www.masterschema.com for more information... Installation of 3 nodes of Oracle Database Real Application Clusters (RAC) 11gR2 on Oracle Enterprise Linux and VMWare, with a Mac OS X host. This video demonstrates the installation of Grid Infrastructure 11gR2 and is the first in a sequence of videos on this topic. In this video I demonstrate the successful installation of Oracle Grid Infrastructure 11gR2 on 3 nodes in preparation for RAC.
Views: 9070 masterschema
Oracle RAC  Training Course Video Tutorial
 
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Visit Us: http://kerneltraining.com/ Oracle RAC Online Training Course Video Tutorial Oracle RAC Tutorial for beginners. Take part till end of this session and get useful details. Thanks for watching Oracle RAC Tutorial Kernel training offers Oracle RAC Tutorial led by real time expert. For further details visit: http://kerneltraining.com/oracle-rac/ https://www.facebook.com/KernelTraining Free Oracle RAC Tutorial demo class Get live interactive classes Access to LMS (Learning management system). Real time hands on experience. 24/7 Support. Visit our website: www.kerneltraining.com Contact us: Email Us: [email protected] Phone: 91 8099 77 6681 Regards Kernel training team
Views: 18109 KernelTraining.Com
Tutorial: Install Oracle Database 12c R1 on Linux 6 with ASM
 
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#Purpose This tutorial is designed to get you started with Oracle Database 12c Release 1 on Linux 6 with Automatic Storage Management (ASM) instance, including all the steps from preparing Linux operating systems, installing the software, all the way up to creating the database. The tutorial was implemented on the video using Oracle VirtualBox version 5. #Tutorial Document The tutorial has been documented and its document can be downloaded from the following link: http://www.ahmedbaraka.com/videos #TIMESTAMPS 3:45 Clone Oracle Linux pre-built VM appliance 4:40 Create virtual hard disks for ASM 6:47 Alter network configuration and hostname 13:47 Set up environment variables for OS accounts: grid and oracle 18:45 Install Oracle ASM packages 20:18 Create ASM disk volumes 22:47 Install Oracle Grid Infrastructure software 33:03 Create ASM disk groups 34:30 Install Oracle database software 41:37 Create an Oracle database #LINKS Further details can be obtained from my web site www.ahmedbaraka.com #about Ahmed Baraka I have spent my entire career working with Oracle databases since version 8i, I gained much knowledge and hands-on experience on managing Oracle databases and dealing with all the technologies that come along side, including: Oracle ASM, RAC, Data Guard, Enterprise Manager, Golden Gate, Weblogic Server, and Forms and Reports. # Download You can download the VM machine that has been created in the tutorial from the following link: http://www.ahmedbaraka.com/download.html #Contact Info [email protected] https://www.facebook.com/profile.php?id=100010975452842 https://twitter.com/hmedBaraka1
Views: 25777 Ahmed Baraka
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: 300807 jbleistein11
How to Migrate Non-ASM Database to ASM filesystem |Live Proof
 
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Hello friends in this video i'm going to teach you how to migrate Non-ASM to ASM database with RMAN step by step. For configuration step you can visit on http://ocptechnology.com/oracle-database-migration-from-non-asm-to-asm/ #migratedatabase #nonasm #asm Oracle Interview application https://play.google.com/store/apps/de... My Facebook page https://www.facebook.com/ocptechnology My Second Channel https://www.youtube.com/4usupport My Instagram https://www.instagram.com/ocptechnology/ My Website http://ocptechnology.com/ My twitter https://twitter.com/ocptechnology
Views: 1074 OCP Technology
Introduction to Oracle Database Architecture - DBArch Video 2
 
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You will learn from this video how a computer is used by an Oracle Database. You will learn about how Memory , CPU and Storage are used by an Oracle Database. This is the fundamental Architecture of an 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: 36118 Ramkumar Swaminathan
Part 3: RAC Database Creation; 3 nodes of Oracle RAC 11g R2 in VMWare
 
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http://www.masterschema.com for more information... Installation of 3 nodes of Oracle Database Real Application Clusters (RAC) 11gR2 on Oracle Enterprise Linux and VMWare, with a Mac OS X host. This video demonstrates the DBCA process in 11gR2 RAC and is the third in a sequence of videos on this topic.
Views: 16589 masterschema
Oracle 12c Data Guard Create Physical Standby Database
 
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#Purpose This tutorial describes the steps to create an Oracle 12c Physical Standby database. The tutorial was implemented using Oracle VirtualBox version 5 and an appliance with Oracle Database 12c Release 1 installed on Linux 6 with Automatic Storage Management (ASM) instance #Tutorial Document The tutorial has been documented and its document can be downloaded from the following link: http://www.ahmedbaraka.com/videos #TIMESTAMPS 0:03 Introducing the tutorial 2:08 Oracle Data Guard Usages 5:29 Start of the tutorial 10:20 Prepare the tutorial environment 31:45 Prepare the Primary Database 45:19 Prepare the Standby Database system 50:55 Create the Physical Standby Database #LINKS Have a look at my course https://www.udemy.com/oracle-12c-data-guard-administration #about Ahmed Baraka I began my career as an Oracle Developer but soon transitioned to Oracle Database Administration. I have 18 years of extensive experience in the computer industry, with focus on Oracle database administration technologies like Oracle RAC, ASM, Data Guard, GoldenGate, WebLogic, Database Appliance, and Enterprise Manager. # Download You can download the VM machines (appliances) that has been created in the tutorial from the following link: http://www.ahmedbaraka.com/download.html #Contact Info [email protected] https://www.facebook.com/profile.php?id=100010975452842 https://twitter.com/hmedBaraka1
Views: 22300 Ahmed Baraka
3. Oracle database Installation With ASM: Add Hard Disk, Create partition & transfer software
 
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Automatic Storage Management (ASM) is a feature that has be introduced in Oracle 10g to simplify the storage of Oracle datafiles, controlfiles, logfiles and backups. ASM will be used as the file system and volume manager for Oracle Database files (data, online redo logs, control files, archived redo logs), and the Fast Recovery Area. NOTE: ASMLib in the Unbreakable Enterprise Kernel. ASMLib – Linux specific ASM library and its associated driver. The Oracle ASMLib kernel driver is now included in the Unbreakable Enterprise Kernel. No driver package needs to be installed when using this kernel. The oracleasm-support and oracleasmlib packages still need to be installed. The oracleasm-support can be installed from Oracle Linux ISO image. For other Linux flavors could be found here – (Download section for particular Linux distribution) The oracleasmlib can be downloaded from ULN (Unbreakable Linux Network), subscription is required. Non-subscribers are free to use the similar package built for RHEL on their Enterprise Linux machines, which we will use in this tutorial. Action plan: 1. Installing Oracle Enterprise Linux and creating virtual hard disks in VMware for ASM disks 2. Creating recommended OS groups and user for Grid Infrastructure 3. Creating login scripts for grid and oracle users 4. Installing Oracle ASM packages 5. Creating ASM disk volumes 6. Downloading and installing Oracle Grid Infrastructure software 7. Creating ASM disk groups 8. Installing Oracle database software and create database instance
Views: 820 Md Arshad
Relationships of Physical and Logical Storage structures in an Oracle Database - DBArch Video 22
 
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In this video you will understand the Relationships between the Physical files and Logical Components - Tablespace, Segments, Extents and Oracle Blocks in an 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: 16948 Ramkumar Swaminathan
SAP for Oracle Database Restore/Copy
 
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This video demonstrates a database copy and restore from a backup with SAP for Oracle using Commvault software. It is intended for a technical audience, including DBAs, Storage Admins, and Backup Admins that don't have access to a lab that can host Oracle instances
Views: 5199 Commvault
Oracle ASM Administration - Session 1
 
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https://dbagenesis.com/p/oracle-11gr2-rac-for-beginners 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 ASM administration is very important for an Oracle RAC DBA. This video is shared from one of our online RAC DBA training.
Views: 57249 DBA Genesis
Oracle DBA Tutorials for the Beginners | Oracle DBA Training
 
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Beginners are interested with an oracle dba tutorial from kernel training. Oracle Database is referred to as Oracle RDBMS is an object-relational database management system. Users of Oracle databases refer to the server-side memory-structure as the SGA. Visit Us http://kerneltraining.com/oracle-dba/ Email Us: [email protected] Phone: 91 8099 77 6681 In this Youtube you can find a clear description of Oracle DBA 11g, and our presenter has provided full information in this tutorial. You will find a succession of descriptions about the subject in a Power Point presentation, excel sheet presentations, and the kernel training pages are also opened up for better understanding. You can feel free to ask for any doubts when you do attend one free demo session for beginners. Here, is a fine example to learn basics concept, and practical applications. You can learn oracle dba step by step that will be dealt by kernel Training online if you do attend oracle dba tutorial for beginners, and this oracle dba classes will help you learn about several topics such as oracle dba architecture, Oracle dba performance tuning, Oracle dba asm, and our faculty will deliver oracle dba interview videos that will be far more beneficial than the expected. In the process of learning, you can understand clearly oracle dba Linux commands, and also grasp the oracle dba real time scenarios, and in this oracle dba full course, you will be exposed to oracle dba interview questions and answers for experienced professionals and startups. About the Course: Oracle Database is referred to as Oracle RDBMS is an object-relational database management system. Users of Oracle databases refer to the server-side memory-structure as the SGA. The SGA typically holds cache information such as data-buffers, SQL commands, and user information. In addition to storage, the database consists of online redo logs, which hold transactional history. Processes can in turn archive the online redo logs into archive logs, which provide the basis for data recovery and for the physical-standby forms of data replication using Oracle Data Guard. Course Objective:  Software installation and the creation of new databases.  An in-depth exploration of the database architecture, including memory, process and data structures, and the management of those structures.  Specialized facilities intended to maximize performance of enterprise-scale transactional applications, such as the shared SQL and PL/SQL cache, the result cache, the database buffer cache, and other similar components.  Management of security policies and procedures, including administration of user accounts, roles, privileges and profiles.  Utilization of advanced self-tuning and self-management capabilities, including the use of Oracle-Managed Files, database Advisors and other components of the Management Framework.  Performance monitoring, problem troubleshooting, and resolving lock and conflict issues.  Using the Oracle Enterprise Manager and SQL interfaces for administration tasks.  Control over database support services, including the Database Control, Oracle Net and others.  A primer on backup and recovery structures and strategies.  Operating system-specific considerations for various platforms, especially Linux and MS Windows Server. How We Teach at kernel Training? It is an Online Course with Instructor led LIVE and Interactive Sessions, Practical Work that involves Practical Hands-on, Lab Assignments, and real-world Case Studies, access to 24×7 Technical Support, a real time project with Kernel Data Center. Course participants will get a verifiable certificate after successful completion of the project work. Oracle – DBA 11g COURSE CONTENT Module 1 INTRODUCTION to ORACLE Exploring the Database Architecture Module: 2 Installing your Oracle Software Module 03 Creating an Oracle Database Module 04: Managing the Database Instance Module 05 Managing Database Storage Structures Module 06 Administering User Security Module 07 Managing Data Concurrency Module 08 Managing Undo Data Module 09 Backup and Recovery Concepts Module 10 Use of RMAN Recovery Catalog & Configuring Backup Settings Module 11 Performing Database Backups with RMAN Module 12 Performing Database Recovery Module 13 Moving Data Module 14 Using Flashback Technology I Module 15 Using Flashback Technology II Module 16 Implementing Oracle Database Auditing Module 17 Database Maintenance Module 18 Performance Management Module 19 Managing Performance by SQL Tuning Module 20 Diagnosing the Database Module 21 Managing Space Module 22 Managing Space for the Database Module 23 Managing the ASM Instance Module 24 Duplicating a Database / Cloning Database Module 25 Data Guard
Views: 120120 KernelTraining.Com
Part 4: Prepare RAC2 node, oracle grid & database Software transfer & Unzip
 
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Real Application Clusters Oracle Real Application Clusters (RAC) is a database clustering solution that allows more than one instance to mount and open an Oracle database. RAC can only be used on special clustered systems with shared disk storage and a private network interconnect. A normal Oracle installation consists of a single Oracle instance that accesses a database on the same computer system. In contrast, RAC allows multiple instances on different computer systems (nodes in a cluster) to access the same database files simultaneously. Communication between instances is managed by the Distributed Lock Manager (DLM). To address the possibility of two or more instances attempting to modify the same information simultaneously, Oracle uses up to ten additional background processes, named LCK0 through LCK9, to lock the resources in use by these instances. RAC is available with Oracle Enterprise Edition, and under certain conditions, with Standard Edition as well. These restrictions (for Standard Edition) include: • Must use Oracle Clusterware (no third-party clusterware allowed); • Must use ASM to store database files; and • Can only use a max of 4 CPU sockets in the cluster (either 2 nodes with 2 CPUs each, or 4 nodes with 1 CPU each). • RAC was previously called Oracle Parallel Server (OPS). Oracle re-branded OPS as RAC when they released Oracle 9i. Benefits Running Oracle in RAC mode can benefit you in the following ways: • High availability - If some nodes fail, the remainder of the nodes will still be available for processing requests. Failover support is available from Oracle 8 with Oracle's Transparent Application Failover (TAF) technology and from Oracle 10g, server side load balancing. • Speedup (increased transaction response time) - RAC normally adds some overhead. However, for some DSS applications one can achieve increased performance by running operations in parallel (mainly for DSS applications). • Scale-up (increased transaction volume) - RAC can be used to provide increased application scalability (mainly used for OLTP applications).
Views: 174 Md Arshad
Oracle Real Application Cluster (RAC) Setup Creation- Part 1
 
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Oracle Real Application Clusters (Oracle RAC) is a clustered version of Oracle Database based on a comprehensive high-availability stack that can be used as the foundation of a database cloud system as well as a shared infrastructure, ensuring high availability, scalability, and agility for any application. See the video carefully & create RAC setup. If you like this video then please subscribe the channel.
1.  Oracle database Installation With ASM: Installation of Linux & network configuration
 
22:18
Automatic Storage Management (ASM) is a feature that has be introduced in Oracle 10g to simplify the storage of Oracle datafiles, controlfiles, logfiles and backups. ASM will be used as the file system and volume manager for Oracle Database files (data, online redo logs, control files, archived redo logs), and the Fast Recovery Area. NOTE: ASMLib in the Unbreakable Enterprise Kernel. ASMLib – Linux specific ASM library and its associated driver. The Oracle ASMLib kernel driver is now included in the Unbreakable Enterprise Kernel. No driver package needs to be installed when using this kernel. The oracleasm-support and oracleasmlib packages still need to be installed. The oracleasm-support can be installed from Oracle Linux ISO image. For other Linux flavors could be found here – (Download section for particular Linux distribution) The oracleasmlib can be downloaded from ULN (Unbreakable Linux Network), subscription is required. Non-subscribers are free to use the similar package built for RHEL on their Enterprise Linux machines, which we will use in this tutorial. Action plan: 1. Installing Oracle Enterprise Linux and creating virtual hard disks in VMware for ASM disks 2. Creating recommended OS groups and user for Grid Infrastructure 3. Creating login scripts for grid and oracle users 4. Installing Oracle ASM packages 5. Creating ASM disk volumes 6. Downloading and installing Oracle Grid Infrastructure software 7. Creating ASM disk groups 8. Installing Oracle database software and create database instance
Views: 1017 Md Arshad
Oracle RAC 12C Installation -12- ASMlib and Disk Creation
 
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Hi. In this video I installed oracle asm Libraries and some drivers to organize the oracle linux disks which be ready to install oracle asm file system on it please find the scripts and command lines that I used for this video as link below: https://github.com/Ibradarck/oraclerac12c/tree/master/video_12 Please Subscribe like and share. Find us on facebook (https://www.facebook.com/IMK.DBA)
Views: 409 ibrahim kmail
User connectivity in Oracle Database 11g
 
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https://dbagenesis.com/ A database has at least one instance. An instance is comprised of a memory area called the System Global Area (SGA) and Oracle processes. The memory and processes of an instance efficiently manage the associated database's data and serve the database users. To connect to a database service, clients use a connect descriptor that provides the location of the database and the name of the database service. Become an oracle DBA in just one month: https://dbagenesis.com/
Views: 541 DBA Genesis
Instance Recovery in an Oracle Database - DBArch Video 10
 
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This video explains how Instance recovery happens in an 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: 19037 Ramkumar Swaminathan
Examples on Oracle Database Auditing |  Oracle Database Security | auditing in oracle 11g
 
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This is the part of the series "Oracle DBA Videos" on Oracle Database Security. The following topics are covered in practical -- General idea about database auditing -- Statement level auditing -- Privilege level auditing -- Object level auditing
Views: 13360 Wysheid Wysheid
Oracle Architecture in less than 10 minutes
 
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CAPTIONS AVAILABLE - I assume that it's the "I like!" votes that keep this video at or near the top when you search on "oracle". Thank you to all. S. Faroult View on www.konagora.com where Youtube is blocked. Full transcript (with some screenshots) available for a small fee at http://stores.lulu.com/konagora/. A pretty reckless description of what happens when you start Oracle and when you execute a statement. If you're a developer, it could influence how you code. If you're a junior DBA, or would be junior DBA, I hope it will help you make sense of some parts of the "Concepts" manual.
Views: 538002 roughsealtd
Cisco Unified Computing System on Oracle RAC
 
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Ravi Venkataramaiah Cisco Technical Marketing Engineer talks about Cisco UCS implementation on Oracle RAC (Real Application Clusters) at Oracle OpenWorld 2009.
Views: 690 CiscoDataCenter2009
07.10_Oracle_10gR2_RAC_7.10 Install and Configure Oracle Cluster File System (OCFS2)_20120202.flv
 
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Oracle 10g/11g RAC, DataGuard, GoldenGate,Streams Hands-on Practices Training. ONLY $199 Please feel free to contact me: E-mail/Skype: [email protected] 7. Add a Node to an Oracle RAC Cluster 7.1 Install the Linux OS (CentOS 5.3) - () 7.2 Install Required Linux Packages for Oracle RAC - (Video) 7.3 Network Configuration - (Video) 7.4 Configure Network Security on the Openfiler Storage Server - (Video) 7.5 Configure the iSCSI Initiator - (Video) 7.6 Create "oracle" User and Directories - (Video) 7.7 Configure the Linux Servers for Oracle - (Video) 7.8 Configure the "hangcheck-timer" Kernel Module - (Video) 7.9 Configure RAC Nodes for Remote Access using SSH - (Video) 7.10 Install and Configure Oracle Cluster File System (OCFS2) - (Video) 7.11 Install and Configure ASM(ASMLib 2.0) - (Video) 7.12 Pre-Installation Tasks for Oracle 10gR2 - (Video) 7.13 Extend Oracle Clusterware Software to the New Node - (Video) 7.14 Extand Oracle ASM Home to the New Node - (Video) 7.15 Extend Oracle Database Software to the New Node - (Video) 7.16 Add Listener to New Node - (Video) 7.17 Adding a new ASM instance to the New Node - (Video) 7.18 Add Database Instance to the New Node - (Video) 7.19 Verify the 3 nodes RAC Cluster & Database Configuration - (Video) 7.20 Starting / Stopping the Cluster - () 7.21 Configuring the Initialization Parameter Files in RAC - () 8. Remove a Node from an Oracle RAC Cluster 8.1 Remove the Oracle Instance on the Node to be Deleted - (Video) 8.2 ASM Instance Clean-Up Procedures - (Video) 8.3 Remove the Listener From the Node to be Deleted - (Video) 8.4 Remove the Oracle Database Software From the Node to be Deleted - (Video) 8.5 Remove the ASM Software From the Node to be Deleted - (Video) 8.6 Remove the Node to be Deleted from Oracle Clusterware - (Video) 8.7 OCFS2 Clean-Up Procedures - (Video) 8.8 Remove Access Permissions on Openfiler for the Node to be Deleted - (Video) 8.9 Verify the 2 nodes RAC Cluster & Database Configuration - (Video) 8.10 Configuring the Initialization Parameter Files in RAC - ()
Views: 360 Yongcheng Lai
Highly Available NFS (HANFS) Over ACFS
 
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HANFS over ACFS enables highly available NFS servers to be configured using Oracle ACFS clusters. The NFS exports are exposed through Highly Available VIPs (HAVIPs), and this allows Oracle’s Clusterware agents to ensure that HAVIPs and NFS exports are always available. If the node hosting the export(s) fails, the corresponding HAVIP and hence its corresponding NFS export(s) will automatically fail over to one of the surviving nodes so that the NFS client continues to receive uninterrupted service of NFS exported paths.
Views: 1326 Oracle RAC SIG
complete rac installation for two nodes with ASM,SAN storage
 
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Full RAC installation with ASM,grid infrastructure and openfiler as storage.Will share topics wise videos in coming days.
Views: 14152 Vijay Kumar