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Full DB In-Memory Caching
 
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This is the first of two demonstrations about In-Memory caching new features, introduced in Oracle Database 12.1.0.2. This one illustrates the Full Database In-memory Caching feature enabling an entire database to be cached in memory when the database size is smaller than the buffer cache size. Caching and running a database from memory leads to huge performance benefits. 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.
SEQUENCES IN ORACLE SQL WITH EXAMPLES (asc, desc, cycle, nocycle, cache, nocache)
 
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This video tutorial is to understand the working of sequences in oracle SQL. The video demonstrations explain all the attributes of a create sequence statement such as start with, increment by, maxvalue, nomaxvalue, minvalue, nominvalue, cycle, nocycle, cache, nocache, order, and noorder. All the parameters are explained with appropriate examples so that the user can understand them clearly. For more detail refer to the link: http://plsqlnsql.blogspot.com/2017/01/sequences.html
Views: 2093 Kishan Mashru
Oracle Database + TimesTen (In-Memory Database)
 
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This short video shows the benefits of running PL/SQL with In-Memory Database Cache (IMDB Cache) for the Oracle Database. It demonstrates using TimesTen as an in-memory database cache to enhance the performance. Softwares: Oracle 11gR2 Oracle In-Memory Database Cache 11gR2 SQL Developer 3.0 Oracle Enterprise Manager (OEM) 11g
SCPT 41: Types of Locks and Latches in Oracle
 
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Oracle DBA Tutorials For Full Course Experience Please Go To http://mentorsnet.org/course_preview?course_id=6 Full Course Experience Includes 1. Access to course videos and exercises 2. View & manage your progress/pace 3. In-class projects and code reviews 4. Personal guidance from your Mentors
Views: 20836 Oresoft LWC
Oracle DBA - Solve Long Running Query & TX Row Lock Contention | Performance Tuning
 
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How to Solve Row Lock Contention in Oracle Database - Performance Tuning - Oracle DBA Solve Row Lock Contention & Long Running Query in Oracle Database - Performance Tuning Oracle DBA - Performance Tuning Row Lock Contention Please Like, Comment, Subscribe and Share... Boxcut Media.
Views: 6416 BoxCut Media
13/125 Oracle PLSQL:Interacting with Oracle DB Server 1
 
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Learn Oracle PLSQL EXAM 1Z0-144
Views: 1516 khaled alkhudari
La Database Buffer  Cache de la base de données Oracle
 
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http://docs.oracle.com/cd/E25178_01/server.1111/e25789/memory.htm http://docs.oracle.com/cd/E25178_01/server.1111/e25789/memory.htm http://blog.gerwinhendriksen.com/?p=78 http://itsiti.com/oracle-sga-memory-data-structure http://guyharrison.squarespace.com/ssdguide/03-the-oracle-database-flash-cache.html http://oraclegurukul.blogspot.fr/2012/07/db-buffer-cache.html https://www.toadworld.com/platforms/oracle/w/wiki/551.buffer-cache-overview https://mwidlake.wordpress.com/2011/08/08/iot-part-4-greatly-boosting-buffer-cache-efficiency/ https://www.facebook.com/foalenglowe.rene
Views: 33 FOALENG LOWE Rene
Database Tutorial 72 - SGA Database Buffer Part 1  - Oracle DBA Tutorial
 
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Database Tutorial 72 - SGA Database Buffer Part 1 - Oracle DBA Tutorial
Views: 5925 Sam Dhanasekaran
Oracle Indexes - Beginner
 
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Oracle Indexes - Beginner
Views: 65249 Chris Ostrowski
Oracle Data Dictionary
 
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Oracle For Full Course Experience Please Go To http://mentorsnet.org/course_preview?course_id=4 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: 12316 Oresoft LWC
Rev up your Oracle Functions using Result Cache
 
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Dan shows you how to dramatically increase function response time using a newer Oracle memory structure called Result Cache. Still on Oracle10? Dan has a solution for you as well.
Views: 119 Dan Hotka
Clustered Indexes and DB Caching
 
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Second in the series of "Indexes on Index Cards", this video covers clustered index read operations and how the cache works on these operations in a relational database. Various queries and cache situations are covered, pointing out the logical and physical for each query and situation.
Views: 1532 Database by Doug
PL/SQL tutorial | Stored Procedure in Oracle Database 11g Complete guide
 
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Learn in depth about stored procedure in oracle,usage of SP in Database. Creating Stored Procedure using in, out ,in/out parameter and handling exception inside with example. Stored Procedure in Oracle, Stored Procedure in PL/SQL, Oracle Stored Procedure, PL/SQL Stored Procedure, What is Stored Procedure in pl/sql, How to use Stored Procedure in pl/sql, How to write a Stored Procedure in oracle, How to create Stored Procedure in pl/sql, Parameterized stored procedure in pl/sql, Benefit of using stored procedure in oracle, Advantages of Using Stored Procedures: Maintainability (because scripts are in one location, updates and tracking of dependencies based on schema changes becomes easier) Can be tested independent of the application Isolation of Business Rules,(Having Stored Procedures in one location means that there’s no confusion of having business rules spread over potentially disparate code files in the application) Speed / Optimization ( Stored procedures are cached on the server Execution plans for the process are easily reviewable without having to run the application) Utilization of Set-based Processing (The power of SQL is its ability to quickly and efficiently perform set-based processing on large amounts of data; the coding equivalent is usually iterative looping, which is generally much slower) Security ( Limit direct access to tables via defined roles in the database, provide an “interface” to the underlying data structure so that all implementation and even the data itself is shielded. Securing just the data and the code that accesses it is easier than applying that security within the application code itself ). Drawbacks to Using Stored Procedures: Limited Coding Functionality Stored procedure code is not as robust as app code, particularly in the area of looping (not to mention that iterative constructs, like cursors, are slow and processor intensive) Portability issue for complex and large Stored Procedure. Testing :Any data errors in handling Stored Procedures are not generated until runtime Cost :Stored Procedure development could potentially require a dedicated database developer. Some businesses will not allow developers access to the database at all, requiring instead a separate DBA. Alternatives to Stored Procedures: In-line or Parameterized Queries (These are written within the application code itself) Object Relational Mapping (ORM) (Provides an abstraction to the database without having to manually write data ) Linkedin: https://www.linkedin.com/in/aditya-kumar-roy-b3673368/ Facebook: https://www.facebook.com/SpecializeAutomation/
Views: 3942 Specialize Automation
Oracle 12c Performance Essentials exam - Force Full DB Caching
 
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Oracle 12c Performance Essentials exam - Force Full DB Caching, from ExamREVIEW
The Oracle Buffer Cache
 
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Learn the basics of the Oracle Buffer Cache.
Views: 183 Oracle to Lego
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: 20371 Ezylearning
Result Cache
 
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Parses and Data Dictionary watch more videos at https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Parth Panjab, Tutorials Point India Private Limited
How to Cache Database Queries with Redis in Laravel - Redis Series Episode 4
 
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In this short episode, I show you how you can cache database queries for a certain period of time. This is really nice when you have data you know won't change during x period of time, because once it's in cache, Laravel knows to automatically skip the database query and immediately deliver the requested content from RAM. Super fast, super easy. Here's the complete project throughout all episodes: https://gitlab.com/Christf24/RedisCast/tree/master/ Next episode will go over tagging with Redis (for blog posts, movie genres, or whatever else). Previous episode (Counting page views, and creating a "Top Viewed Article" list on home page): https://www.youtube.com/watch?v=ZMjw5WFPG8c Next episode (Tagging articles, products, movies, etc..): http://youtu.be/L2keoHFThwY
Views: 22505 Christophe Limpalair
Managing Oracle Database In-Memory
 
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In this second of three presentations, Maria Colgan explains how to control which objects get populated into the column store and how to monitor the performance of queries against the column store.
Automatic Big Table Caching
 
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This is the second of two demonstrations about In-Memory caching new features, introduced in Oracle Database 12.1.0.2. This one illustrates the Automatic Big Table caching feature enhancing the in-memory parallel query capabilities of the Oracle Database in both single instance and Oracle RAC environments. An optional section of the buffer cache, called the big table cache, is used to store data for serial and parallel table scans. 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.
Troubleshooting a Complex Oracle Performance Issue
 
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In this session Tanel will walk you through troubleshooting a yet another complex performance issue that he has faced in past. Again, the initial symptoms point to a different direction than the actual root cause, so a systematic approach was needed.
Views: 3389 Tanel Poder
Oracle DB - Sequence
 
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Oracle DB - Sequence Watch More Videos at: https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Parth Panjabi, Tutorials Point India Private Limited
Oracle Coherence: Explaining the 3 Cache Types
 
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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.
Database Tutorial 76 - SGA Database Buffer Part 5  - Oracle DBA Tutorial
 
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Database Tutorial 76 - SGA Database Buffer Part 5 - Oracle DBA Tutorial
Views: 1954 Sam Dhanasekaran
oracle sga memory tuning oracle database buffer  cache
 
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oracle system global area description brief description of components of oracle sga memory oracle system global area oracle database buffer cache oracle shared area memory
Compression Options for Oracle Database
 
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Held on August 9 2018 This session by Gregg Christman focuses on general questions and insights regarding Oracle Basic Compression, Oracle OLTP Table Compression and Oracle Advanced Row Compression. Here is a quick guide to the highlights: 2:25 Basic vs. Advanced Row Compression comparison 4:55 Should you expect the same compression ratio with Basic and Advanced Row Compression? 8:29 Should you compress all tables and partitions? 15:50 What is the overhead associated with Advanced Row Compression? 17:06 Do I need to change my application to use compression? 17:31 Who uses Advanced Row Compression? 18:35 Is there any ongoing administration with Advanced Row Compression 20:43 When does updated data get compressed? 26:30 What role does PCTFREE play in updates and compression? 28:44 Does Advanced Row Compression work with Oracle Encryption? 29:34 Does enabling compression online or offline make a difference? 31:38 What are the typical compression ratios with Basic and Advanced Row Compression? 32:56 Are there any suggested MOS notes related to compression? 34:12 Feedback about ACO from customers AskTOM Office Hours offers free, monthly training and tips on how to make the most of Oracle Database, from Oracle product managers, developers and evangelists. https://asktom.oracle.com/ Oracle Developers portal: https://developer.oracle.com/ Sign up for an Oracle Cloud trial: https://cloud.oracle.com/en_US/tryit music: bensound.com
Views: 341 Oracle Developers
Oracle Database 12c demos: In-Memory Column Store Architecture Overview
 
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The demonstration provides an overview of the architecture of the In-Memory Column Store feature introduced in Oracle Database 12c Release 1 patchset 1.
Install Oracle Timesten
 
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TimesTen is deployed as an in-memory cache database, this video explain how to install Oracle Timesten On Linux.
Views: 1309 Osama Mustafa
Exadata Flash Cache and Database In-Memory
 
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Held on August 29 2018 Explore the Database In-Memory option with Markus Kissling, Product Manager for In-Memory, based in Germany. Oracle Database In-Memory optimizes both analytics and mixed workload OLTP, delivering outstanding performance for transactions while simultaneously supporting real-time analytics, business intelligence, and reports. Learn about new features of Oracle Database 18c and how to use Exadata Flash Cache. AskTOM Office Hours offers free, monthly training and tips on how to make the most of Oracle Database, from Oracle product managers, developers and evangelists. https://asktom.oracle.com/ Oracle Developers portal: https://developer.oracle.com/ Sign up for an Oracle Cloud trial: https://cloud.oracle.com/en_US/tryit music: bensound.com
Views: 251 Oracle Developers
Performance Tuning of SGA using AMM in oracle 11gR2
 
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Hello friends in my today scenario i briefly explain how to manage and tune automatically SGA AND PGA via Automatic memory management feature that is release in 11gR2. #PerformanceTuning #SGA #AMM
Views: 6827 Oracle World
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: 16599 Ramkumar Swaminathan
Database not connected or cache not built
 
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Fix metasploit “Database not connected or cache not built” open msfconsole u can notice that there is an error says unable to connect to database search for oracle search oracle Database not connected or cache not built, using slow search if u optain same error then ur db is not there in connection The error says that there are 2 probable causes of the problem – either your metasploit framework is not connected to its database (postgresql instance called msf3 by default) – or the metasploit cache was not built. To check if the database is connected you can use db_status command. If your database is connected you will get: db_status if you got this error postgresql selected, no connection you need to start two services CTRL+Z #service postgresql start #service metasploit start ignore that if you got this postgresql connected to msf your good to go finally Build the cache db_rebuild_cache It takes some time for the cache to be rebuild so be patient. binggoo thats it your good to goo like AnD subscribe
Views: 7012 Code Frezz
Learn Oracle Database 18c Administration - 18cAdmin-01
 
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This is the introduction video of a new playlist, in which you will learn how to administer and Oracle 18c Database. Continue watching this playlist to get instructions on how to setup and work with 18c.... 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]
Cache Fusion Mechanism in Oracle RAC
 
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Cache Fusion is simply fusing or adding of cache memory so that the availability of the data will be increased and time to fetch a particular block will be decreased because the cache is shared from one instance to the other.
Views: 1934 Anonymous far
SCPT 15: Oracle Shared Pool
 
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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: 30374 Oresoft LWC
Oracle Hints Tutorial for improving performance
 
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Oracle Hints Tutorial for improving performance APPEND PARALLEL JOIN INDEX NO_INDEX SELECT /*+ FIRST_ROWS(10) */ * FROM emp WHERE deptno = 10; SELECT /*+ ALL_ROWS */ * FROM emp WHERE deptno = 10; SELECT /*+ NO_INDEX(emp emp_dept_idx) */ * FROM emp, dept WHERE emp.deptno = dept.deptno; SELECT /*+ INDEX(e,emp_dept_idx) */ * FROM emp e WHERE e.deptno = 10; -- SELECT /*+ INDEX(scott.emp,emp_dept_idx) */ * FROM scott.emp; SELECT /*+ AND_EQUAL(e,emp_dept_idx) */ * FROM emp e; SELECT /*+ INDEX_JOIN(e,emp_dept_idx) */ * FROM emp e; SELECT /*+ PARALLEL_INDEX(e,emp_dept_idx , 8) */ * FROM emp e; SELECT /*+ LEADING (dept) */ * FROM emp, dept WHERE emp.deptno = dept.deptno; SELECT /*+ PARALLEL(8) CACHE (e) FULL (e) */ * FROM emp e ; SELECT /*+ PARALLEL FULL (e) */ * FROM emp e ; SELECT /*+ PARALLEL USE_MERGE (emp dept) */ * FROM emp, dept WHERE emp.deptno = dept.deptno; -- SORT Merge Join SELECT /*+ PARALLEL USE_HASH (emp dept) */ * FROM emp, dept WHERE emp.deptno = dept.deptno; -- Hash Join SELECT /*+ PARALLEL */ * FROM emp e ; INSERT /*+ APPEND */ INTO mytmp select /*+ CACHE (e) */ *from emp e; commit;
Views: 6543 TechLake
Oracle SQL Tuning Expert Series - Understanding Indexes
 
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Ross Leishman of DWS Ltd presents the principles of Understanding Indexes for SQL Tuning. The presentation includes an entertaining demonstration of Indexes featuring DWS Alumnus Jordan Thomas as a "Buffer Cache". DWS Ltd is a leading publicly listed Australian IT Services company, providing services to blue chip organisations since 1991. With a business philosophy based upon integrity, reliability and professional service delivery, DWS provides end to end IT solutions. www.dws.com.au
Views: 44244 DWS Ltd
Oracle DB - SGA Components
 
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Oracle DB - SGA Components Watch More Videos at: https://www.tutorialspoint.com/videotutorials/index.htm Lecture By: Mr. Parth Panjabi, Tutorials Point India Private Limited
Deep Dive sessions from Oracle Guru "Arup" on DB Security , Indexes and Buffer cache in Cloud
 
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#sangam18 #aioug #oracle Sangam18 At A Glance Sangam, the largest independent Oracle user’s group conference will feature over 150+ in-depth technical sessions presented by expert speakers from inside and outside of Oracle. Over 1000+ database administrators, developers and architects professionals are expected at the conference from December 7th-8th 2018 at The Oterra, Bengaluru. This is our moment of glory and time for you to join us ! Arup Nanda has been an Oracle DBA for over 20 years with experience spanning all aspects from Modeling to performance tuning and Exadata. He speaks frequently, has authored about 300 articles, co-authored 5 books, blogs at arup.blogspot.com and mentors new and seasoned DBAs. Sessions Database Security in a Single Day in the Cloud This session attendees will learn some simple but highly effective steps they can implement in just one day that will eliminate a lot of vulnerability and make the database secure against 90% of the common attacks. Should I Drop Indexes in Exadata Cloud In this session you will learn what storage indexes are in Exadata, how they work (and don’t), how they work along with traditional indexes, how to gradually evaluate the effect of indexes instead of a sudden change, how to compensate for lack of indexes and read execution plans. In this session you will learn how the blocks get into the buffer cache, what buffer cache chains are, how they are managed, how cache buffer chain latches are used and when they cause significant performance issue, how DBWR and checkpoint processes work, what causes the buffers to be written back to the disk, the role of commits and rollbacks in buffer movement between buffer cache and disks and much more.
Views: 181 AI OUG
Load-Balancing a RAC Database
 
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RAC environments are very complex ones and include many different components. One of the goals of RAC database is to balance the load between the different instances and listeners. In this session we will dive into the load balancing mechanism. We will talk about the client configuration, SCAN listeners, services and more, and see some guidelines and best practices to better utilize the balance between the nodes. Speaker: Liron Amitzi, Founder of DBAces Canada
Views: 23770 Oracle RAC SIG
SCPT 5: Parameter Files in Database
 
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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: 61500 Oresoft LWC
SCPT 1: What is Oracle Database Server
 
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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: 359949 Oresoft LWC
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: 13902 Ramkumar Swaminathan
Oracle Database 12c demos: In-Memory Column Store Queries
 
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The demonstration illustrates how queries on in-memory objects and columns data populated within the IM column store execute. The demo also shows how fast the queries execute against the In-Memory column store compared to the buffer cache.
Oracle Exadata Tutorial For Beginners | Oracle Database Machine Architecture Tutorial From Mindmajix
 
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Attend FREE Oracle Exadata Training Demo @ https://mindmajix.com/oracle-exadata-training Mindmajix Advantages - Expert Instructors, Practical Implementation, Real- time Case Studies, Lifetime Access thru LMS, Job Readiness, Resume Building. Enroll Now & Become JOB READY.! Oracle Exadata Database Machine Architecture Tutorial From Mindmajix.com - The leading online global training platform. In this Exadata tutorial you will learn about Oracle exadata database machine architecture, it's components and features. What is Oracle Exadata Database Machine? Oracle Exadata is an pre-configured combination of hardware and software which provides a platform to run the Oracle Database. What is Oralce Exadata Aarchitecture? The Oracle Exadata Database Machine is a “cloud in a box” composed of database servers, Oracle Exadata storage servers, an InfiniBand fabric for storage networking and all the other components required to host an Oracle Database. The Exadata Storage Server is an integral component of the Exadata Database Machine. https://goo.gl/DAgV6f Key components of Oracle Exadata are: 1. DB Server 2. Cell Storage 3. Infiniband Switch 4. Cisco Switch 5. PDU The Features of Exadata are: 1. Smart Scan 2. Smart Flash Cache 3. IORM 4. Storage Index 5. EHCC (Exadata Hybrid Columnar Compression) If you want to learn more about Oracle Exadata Database Machine? Then get register for FREE online demo on Oracle Exadata @ https://mindmajix.com/oracle-exadata-training Learn Oracle Exadata Interview Questions at: https://mindmajix.com/oracle-exadata-interview-questions For more information contact us at: Website: https://mindmajix.com/ Email: [email protected] Phone: USA: +1 201 378 0518 | IND: +91 9246 333 245 Reach us at: LinkedIn: https://www.linkedin.com/company/mindmajix-technologies-pvt-ltd- Twitter:https://twitter.com/mindmajix Facebook: https://www.facebook.com/MindMajixTechnologies Google+: https://plus.google.com/+MindmajixTechnologies
Views: 856 Mindmajix Trainingz
Oracle Tutorial || Oracle|Sql -Other DB Objects-Sequence Part - 1 by basha
 
33:32
DURGASOFT is INDIA's No.1 Software Training Center offers online training on various technologies like JAVA, .NET , ANDROID,HADOOP,TESTING TOOLS ,ADF,INFORMATICA,TABLEAU,IPHONE,OBIEE,ANJULAR JS, SAP... courses from Hyderabad & Bangalore -India with Real Time Experts. Mail us your requirements to [email protected] so that our Supporting Team will arrange Demo Sessions. Ph:Call +91-8885252627,+91-7207212428,+91-7207212427,+91-8096969696. http://durgasoft.com http://durgasoftonlinetraining.com https://www.facebook.com/durgasoftware http://durgajobs.com https://www.facebook.com/durgajobsinfo......
Oracle SQL Tuning - How to Read Execution Plans (Explain Plan)
 
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In this free tutorial you will learn how to generate and read (interpret) an execution plan in Oracle Databases. See more FREE Oracle Tuning tutorials at http://skillbuilders.com/free-oracle-tutorials. Understanding what the Oracle Database does with your SQL is essential to tuning - and the execution plan is the key. Oracle Certified Master DBA John Watson will provide a brief introduction (4 minutes) - which includes John's tuning methodology, then demonstrate EXPLAIN PLAN, SQL*Plus AUTOTRACE and DBMS_XPLAN.DISPLAY_CURSOR. In the tutorial, John will teach you: - How to read an execution plan - Find the 1st step in the plan - Decipher the order of the steps in the plan - That EXPLAIN PLAN can be very misleading Prerequisites: To get the most from this tutorial, you should: 1 Know how to code SQL 2 Be familiar with SQL*Plus 3 Know - in very general terms - what an execution plan is. 4 Have a basic understanding of the Library Cache (this is where Oracle Database stores parsed SQL statements) 5 Have a basic understanding of the Cost Based Optimizer (this is the part of the database that parses your SQL, creates an execution plan. Hopefully the correct - most efficient - plan).
Views: 64426 SkillBuilders
Buffer Busy Waits - Oracle
 
12:33
Oracle buffer Busy wait explained
Views: 32181 Ritesh Raj Singh

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