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Differences between Shared and Exclusive Lock in oracle database
 
09:31
Hello friends in this video we learn how the lock occur in database automatically when multiple user modified the same transaction in their session. #SharedandExclusiveLock Oracle database Unbeatable,Unbreakable Platform..
Views: 10168 Oracle World
oracle world - Row Level Lock in Oracle database
 
14:21
Hello friends in this video we learn how the lock occur in database automatically when multiple user modified the same transaction in their session. #RowLevelLock Oracle database Unbeatable,Unbreakable Platform..
Views: 7121 Oracle World
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: 6448 BoxCut Media
Concurrency Control - Part 1 - 03 -  lock Manager and Locks Conversion
 
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by Mohamed El Desouki [email protected] Tel :00966 553450836 جامعة سلمان بن عبد العزيز - السعودية - الخرج شرح مقرر نظم إدارة قواعد البيانات - محاضرات مباشرة Course : Database Management Systems - 2nd Database Course Topic 2 : Concurrency Control This video explains who the Locking Manager works, and 1- what is lock upgrade ? 2- what is lock downgrade ?
Oracle Database Lock Mode
 
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Tipe – tipe lock yang terdapat di oracle database
Views: 184 Muhammad Umar
Lock Yourself Out  -  Ruud van der Pas (Oracle)
 
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SC17 OpenMP booth talks - November 2017, Denver CO. PDF Slides at http://openmp.org/resources/openmp-presentations/sc17-booth-talks
Views: 91 OpenMP
#7- Error ORA 28000 The account is lock
 
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ORA-28000: the account is locked. Solution : Wait for PASSWORD_LOCK_TIME or contact DBA alter user scott identified by tiger account unlock;
Views: 640 Houssine Formation
Oracle DBA Justin - How to lock and unlock a user account in an Oracle database
 
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How to lock and unlock a user account in an Oracle database
Views: 18496 jbleistein11
Oracle Database 12c Tutorial  2: How To Unlock HR schema in Oracle Database 12c
 
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Learn how to unlock HR user / Schema in Oracle Database 12c. Step by step procedure of unlocking the HR Schema in Oracle 12c By Manish Sharma a.k.a RebellionRider ------------------------------------------------------------------------ ►►►LINKS◄◄◄ Blog : http://bit.ly/how-to-unlock-hr-user-in-oracle-database-12c Previous Tutorial ► Tut 60: How To Install 12c On Windows 7: http://youtu.be/T-rCbe1MMG4 ------------------------------------------------------------------------- ►►►Help Me In Getting A Job◄◄◄ ►Help Me In Getting A Good Job By Connecting With Me on My LinkedIn and Endorsing My Skills. All My Contact Info is Down Below. You Can Also Refer Me To Your Company Thanks ------------------------------------------------------------------------- Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=kb4rc1 -------------------------------------------------------------------------- ►Make sure you SUBSCRIBE and be the 1st one to see my videos! -------------------------------------------------------------------------- Amazon Wishlist: http://bit.ly/wishlist-amazon ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ►►►Find me on Social Media◄◄◄ Follow What I am up to as it happens on https://twitter.com/rebellionrider https://www.facebook.com/imthebhardwaj http://instagram.com/rebellionrider https://plus.google.com/+Rebellionrider http://in.linkedin.com/in/mannbhardwaj/ http://rebellionrider.tumblr.com/ http://www.pinterest.com/rebellionrider/ You can also Email me at [email protected] Please please LIKE and SHARE my videos it makes me happy. Thanks for liking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ♥ I LOVE ALL MY VIEWERS AND SUBSCRIBERS
Views: 82530 Manish Sharma
Lock and Unlock table statistics in Oracle Database
 
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Lock and Unlock table statistics in Oracle Database
Oracle Locks and Lock Trees
 
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Rows Locks and sessions waiting in a "tree order" on Row Locks in Oracle
Views: 213 Hemant K Chitale
How to Unlock or  Lock Oracle Sample Schema User Account after Installation
 
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How to easy Unlock Oracle Sample Schema User Account after installation. For more interesting vids subscribe @ http://www.youtube.com/subscription_center?add_user=rctvids
Views: 2837 RCT vids
PV2016 Ora03 Oracle Lock in by Maintenance Conditions
 
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Craig Guarente, CEO of Palisade Compliance, explains how Oracle uses maintenance contracts to lock-in customers.
Views: 19 EnterpriseDB
PV2016 Ora04 Oracle Lock in by Acquisition Strategy
 
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Craig Guarente, CEO of Palisade Compliance shows how Oracle locks in customers through their acquisition strategy.
Views: 13 EnterpriseDB
locks in DBMS | dbms locks | Lock Based Protocol DBMS Transaction Management | Concurrency Control
 
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Welcome to series of gate lectures by well academy GATE Practice Book Purchase Link ( ACE Academy ) https://goo.gl/SCMZPV GATE Practice Book Purchase Link ( Made Easy ) https://goo.gl/zUU5Vn Here are some more GATE lectures by well academy DBMS Gate Lectures Full Course FREE Playlist : https://goo.gl/Z7AAyV Facebook Me : https://goo.gl/2zQDpD Click here to subscribe well Academy https://www.youtube.com/wellacademy1 GATE Lectures by Well Academy Facebook Group https://www.facebook.com/groups/1392049960910003/ Thank you for watching share with your friends Follow on : Facebook page : https://www.facebook.com/wellacademy/ Instagram page : https://instagram.com/well_academy Twitter : https://twitter.com/well_academy locks in dbms dbms locks locking in dbms, Lock Based Protocol DBMS Transaction Management, locks in dbms in hindi, types of locks in dbms, locks in dbms locking protocol in dbms, locking techniques in dbms, locking in dbms in hindi
Views: 32356 Well Academy
Oracle 11g Lock Monitoring with Read Committed Transaction Isolation Level Brief Explanation
 
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Oracle 11g memiliki 2 jenis transaction isolation level yaitu Read Committed dan Serializable. Secara default transaction isolation pada Oracle adalah Read Committed, yaitu ketika sebuah session melakukan Insert/Update/Delete pada sebuah data dilanjutkan dengan commit maka session lain akan secara otomatis membaca data yang sama. Terdapat Row Level Lock (TX) dan Table Level Lock (TM). Video ini memberikan contoh jelas tentang transaksi yang terjadi ketika proses locking terjadi.
Views: 190 Boby Siswanto
02 Shared Lock & Exclusive Lock In oracle database table lock
 
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Purpose Use the LOCK TABLE statement to lock one or more tables, table partitions, or table subpartitions in a specified mode. This lock manually overrides automatic locking and permits or denies access to a table or view by other users for the duration of your operation. Some forms of locks can be placed on the same table at the same time. Other locks allow only one lock for a table. A locked table remains locked until you either commit your transaction or roll it back, either entirely or to a savepoint before you locked the table. A lock never prevents other users from querying the table. A query never places a lock on a table. Readers never block writers and writers never block readers. See Also: Oracle Database Concepts for a complete description of the interaction of lock modes COMMIT ROLLBACK SAVEPOINT Prerequisites The table or view must be in your own schema or you must have the LOCK ANY TABLE system privilege, or you must have any object privilege on the table or view. ROW SHARE ROW SHARE permits concurrent access to the locked table but prohibits users from locking the entire table for exclusive access. ROW SHARE is synonymous with SHARE UPDATE, which is included for compatibility with earlier versions of Oracle Database. ROW EXCLUSIVE ROW EXCLUSIVE is the same as ROW SHARE, but it also prohibits locking in SHARE mode. ROW EXCLUSIVE locks are automatically obtained when updating, inserting, or deleting. SHARE UPDATE See ROW SHARE. SHARE SHARE permits concurrent queries but prohibits updates to the locked table. SHARE ROW EXCLUSIVE SHARE ROW EXCLUSIVE is used to look at a whole table and to allow others to look at rows in the table but to prohibit others from locking the table in SHARE mode or from updating rows. EXCLUSIVE EXCLUSIVE permits queries on the locked table but prohibits any other activity on it. NOWAIT Specify NOWAIT if you want the database to return control to you immediately if the specified table, partition, or table subpartition is already locked by another user. In this case, the database returns a message indicating that the table, partition, or subpartition is already locked by another user. WAIT Use the WAIT clause to indicate that the LOCK TABLE statement should wait up to the specified number of seconds to acquire a DML lock. There is no limit on the value of integer. If you specify neither NOWAIT nor WAIT, then the database waits indefinitely until the table is available, locks it, and returns control to you. When the database is executing DDL statements concurrently with DML statements, a timeout or deadlock can sometimes result. The database detects such timeouts and deadlocks and returns an error.
Views: 845 OnLinE ReSoUrCe
LOCKED CELLS - How to protect and lock cells
 
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Oracle Excel will show you how to LOCK & PROTECT Cells in Excel
Views: 10 Oracle Excel
01 Oracle database Table lock
 
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Purpose Use the LOCK TABLE statement to lock one or more tables, table partitions, or table subpartitions in a specified mode. This lock manually overrides automatic locking and permits or denies access to a table or view by other users for the duration of your operation. Some forms of locks can be placed on the same table at the same time. Other locks allow only one lock for a table. A locked table remains locked until you either commit your transaction or roll it back, either entirely or to a savepoint before you locked the table. A lock never prevents other users from querying the table. A query never places a lock on a table. Readers never block writers and writers never block readers. See Also: Oracle Database Concepts for a complete description of the interaction of lock modes COMMIT ROLLBACK SAVEPOINT Prerequisites The table or view must be in your own schema or you must have the LOCK ANY TABLE system privilege, or you must have any object privilege on the table or view. ROW SHARE ROW SHARE permits concurrent access to the locked table but prohibits users from locking the entire table for exclusive access. ROW SHARE is synonymous with SHARE UPDATE, which is included for compatibility with earlier versions of Oracle Database. ROW EXCLUSIVE ROW EXCLUSIVE is the same as ROW SHARE, but it also prohibits locking in SHARE mode. ROW EXCLUSIVE locks are automatically obtained when updating, inserting, or deleting. SHARE UPDATE See ROW SHARE. SHARE SHARE permits concurrent queries but prohibits updates to the locked table. SHARE ROW EXCLUSIVE SHARE ROW EXCLUSIVE is used to look at a whole table and to allow others to look at rows in the table but to prohibit others from locking the table in SHARE mode or from updating rows. EXCLUSIVE EXCLUSIVE permits queries on the locked table but prohibits any other activity on it. NOWAIT Specify NOWAIT if you want the database to return control to you immediately if the specified table, partition, or table subpartition is already locked by another user. In this case, the database returns a message indicating that the table, partition, or subpartition is already locked by another user. WAIT Use the WAIT clause to indicate that the LOCK TABLE statement should wait up to the specified number of seconds to acquire a DML lock. There is no limit on the value of integer. If you specify neither NOWAIT nor WAIT, then the database waits indefinitely until the table is available, locks it, and returns control to you. When the database is executing DDL statements concurrently with DML statements, a timeout or deadlock can sometimes result. The database detects such timeouts and deadlocks and returns an error.
Views: 749 OnLinE ReSoUrCe
Oracle database locking issue
 
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Analyzing locks with d.side - Automatic diagnostic for Oracle databases performance and troubleshooting http://www.dside-software.com Copyright (c) d.side software
Views: 261 D.SIDE SOFTWARE
Isolation Levels in Database Management Systems
 
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Views: 29536 Techtud
Oracle passwords -How to reset sys users(lock, unlock, expired)
 
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Oracle passwords - changing, expiring and locking users. Go to below path from sqlplus : --C:/app/oracle/product/12.1.0/dbhome_1/BIN --run this command : sqlplus /nolog --now connect as sysdba : conn / as sysdba from here you can reset any users password. Thank you for more videos & information tune to my channel. Please don't forget to hit like,comment and subscribe button. duao mai yaad rakhna :)
Views: 10569 unknown for world
Concurrency Versus Locking
 
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Independent software development consultant, trainer, and writer Kevlin Henney uses a busy London intersection to illustrate the difference between concurrency and locking -- and why in most cases locking is the wrong strategy.
Views: 1128 Oracle Developers
PV2016 Ora05 Oracle Lock in by Compliance
 
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Craig Guarente, CEO of Palisade Compliance discusses how Oracle locks in customers using compliance techniques.
Views: 12 EnterpriseDB
How to Create ROW LEVEL LOCK  1 Of 2
 
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Hi... Friend In this video we learn how to create ROW LEVEL LOCKING IN ORACLE DATABASE 11g
Views: 56 PGT POINT
Oracle Tutorial-Creating, Expire, Lock, Unlock, Profile User and Create a form of User Creations
 
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TrainerBD.com Offers the most affordable (BDT. 15,000/-) Oracle Training in Mirpur, Dhaka, Bangladesh. Learn Oracle, Be an Oracle Developer and/or Database Administrator. Click http://goo.gl/OYI9lF to learn Oracle. oracle 11g tutorial free download oracle sql tutorial oracle 10g tutorial oracle form builder tutorial oracle forms 10g tutorial oracle 10g tutorial for beginners oracle database 10g tutorial sql oracle oracle for beginners oracle 10g tutorial oracle tutorials for beginners oracle dba tutorial for beginners pdf oracle forms developer tutorial toad for oracle tutorial oracle fusion middleware tutorial oracle forms 6i tutorial oracle sql tutorial oracle 11g tutorial oracle tutorial pdf free download oracle dba tutorial for beginners oracle application express tutorial oracle tutorial for beginners oracle database tutorial oracle apex tutorial oracle sql tutorial sql tutorial oracle 11g tutorial oracle 10g tutorial oracle dba tutorial oracle tutorial for beginners Oracle Apex Tutorial Bangla Oracle Apex Tutorial Videos In Bangla Oracle Apex Training
Views: 134 TrainerBD .com
Batman: Arkham Knight - Telling Robin the Truth
 
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For the people that I think I'm that stupid, I was just doing this to see if there were any conversations or something. And there were! That scene with Joker and Jason Todd was so sad :( And that last part when Batman tells Robin the truth about Barbara, wow, almost teared me up. 💚Follow Me💚: http://www.twitter.com/lostygirl https://www.twitch.tv/lostygirly http://www.instagram.com/lostygirlx
Views: 2265152 LOSTyGIRL
NEW MINI LATHE CARRAIGE LOCK MECHANISM  2018
 
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Taking a closer look at the carriage lock that came from the factory on my cross slide. Most carriage locks i have seen on these lathes have been homemade or retro fitted in someway. Company called Amadeal, very nice company to deal with and their machine comes with the latest neat features including an extra swarf guard for the back of the tool post area. Remember to subscribe and hit that notification bell for latest video reviews and unboxings, coin rings, mini lathe projects, tools and lots lots more
Views: 295 ORACLE'S CAVE
03 Dead Lock in oracle database
 
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DML Locks DML locks or data locks guarantee the integrity of data being accessed concurrently by multiple users. DML locks help to prevent damage caused by interference from simultaneous conflicting DML or DDL operations. By default, DML statements acquire both table-level locks and row-level locks. The reference for each type of lock or lock mode is the abbreviation used in the Locks Monitor from Oracle Enterprise Manager (OEM). For example, OEM might display TM for any table lock within Oracle rather than show an indicator for the mode of table lock (RS or SRX). Row Locks (TX) Row-level locks serve a primary function to prevent multiple transactions from modifying the same row. Whenever a transaction needs to modify a row, a row lock is acquired by Oracle. There is no hard limit on the exact number of row locks held by a statement or transaction. Also, unlike other database platforms, Oracle will never escalate a lock from the row level to a coarser granular level. This row locking ability provides the DBA with the finest granular level of locking possible and, as such, provides the best possible data concurrency and performance for transactions. The mixing of multiple concurrency levels of control and row level locking means that users face contention for data only whenever the same rows are accessed at the same time. Furthermore, readers of data will never have to wait for writers of the same data rows. Writers of data are not required to wait for readers of these same data rows except in the case of when a SELECT... FOR UPDATE is used. Writers will only wait on other writers if they try to update the same rows at the same point in time. In a few special cases, readers of data may need to wait for writers of the same data. For example, concerning certain unique issues with pending transactions in distributed database environments with Oracle. Transactions will acquire exclusive row locks for individual rows that are using modified INSERT, UPDATE, and DELETE statements and also for the SELECT with the FOR UPDATE clause. Modified rows are always locked in exclusive mode with Oracle so that other transactions do not modify the row until the transaction which holds the lock issues a commit or is rolled back. In the event that the Oracle database transaction does fail to complete successfully due to an instance failure, then Oracle database block level recovery will make a row available before the entire transaction is recovered. The Oracle database provides the mechanism by which row locks acquire automatically for the DML statements mentioned above. Whenever a transaction obtains row locks for a row, it also acquires a table lock for the corresponding table. Table locks prevent conflicts with DDL operations that would cause an override of data changes in the current transaction. Table Locks (TM) What are table locks in Oracle? Table locks perform concurrency control for simultaneous DDL operations so that a table is not dropped in the middle of a DML operation, for example. When Oracle issues a DDL or DML statement on a table, a table lock is then acquired. As a rule, table locks do not affect concurrency of DML operations. Locks can be acquired at both the table and sub-partition level with partitioned tables in Oracle. A transaction acquires a table lock when a table is modified in the following DML statements: INSERT, UPDATE, DELETE, SELECT with the FOR UPDATE clause, and LOCK TABLE. These DML operations require table locks for two purposes: to reserve DML access to the table on behalf of a transaction and to prevent DDL operations that would conflict with the transaction. Any table lock prevents the acquisition of an exclusive DDL lock on the same table, and thereby prevents DDL operations that require such locks. For example, a table cannot be altered or dropped if an uncommitted transaction holds a table lock for it. A table lock can be held in any of several modes: row share (RS), row exclusive (RX), share (S), share row exclusive (SRX), and exclusive (X). The restrictiveness of a table lock's mode determines the modes in which other table locks on the same table can be obtained and held.
Views: 242 OnLinE ReSoUrCe
How to Create ROW LEVEL LOCK  2 Of 2
 
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Hi... Friend In this video we learn how to create ROW LEVEL LOCKING IN ORACLE DATABASE 11g
Views: 140 PGT POINT
USER MANAGEMENT HOW TO LOCK UNLOCK EXPIRE USER ACCOUNT IN ORACLE
 
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HOW TO LOCK_UNLOCK_EXPIRE USER ACCOUNT IN ORACLE ================================================= alter user naveen account lock; alter user naveen account lock password expire; alter user naveen account unlock; alter user naveen account unlock password noexpire; alter user naveen identified by newpassword; HOW TO RESET USER PASSWORD TO PREVIOUS EXPIRED PASSWORD (Admin related) ======================================================= select name,password from user$ where name='NAVEEN'; alter user naveen identified by values '&encrypted_values'; HOW TO CHANGE USER PASSWORD FROM USER SIDE ===================================== password
Views: 645 Praveen Biyyapu
How to identify and resolve database locks in Spotlight on Oracle
 
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https://www.quest.com/Spotlight-on-Oracle This video shows how to identify and resolve database locks in Spotlight on Oracle.
Views: 40 Quest
Time-Lock Puzzles in the Random Oracle Model
 
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Mohammad Mahmoody, Tal Moran, and Salil Vadhan. Crypto 2011, August 15, 2011. Mohammad Mahmoody, Tal Moran, and Salil Vadhan Cornell University, Harvard University, and Harvard University Abstract. A time-lock puzzle is a mechanism for sending messages "to the future". The sender publishes a puzzle whose solution is the message to be sent, thus hiding it until enough time has elapsed for the puzzle to be solved. For timelock puzzles to be useful, generating a puzzle should take less time than solving it. Since adversaries may have access to many more computers than honest solvers, massively parallel solvers should not be able to produce a solution much faster than serial ones. To date, we know of only one mechanism that is believed to satisfy these properties: the one proposed by Rivest, Shamir and Wagner (1996), who originally introduced the notion of time-lock puzzles. Their puzzle is based on the serial nature of exponentiation and the hardness of factoring, and is therefore vulnerable to advances in factoring techniques (as well as to quantum attacks). In this work, we study the possibility of constructing time-lock puzzles in the random-oracle model. Our main result is negative, ruling out time-lock puzzles that require more parallel time to solve than the total work required to generate a puzzle. In particular, this should rule out black-box constructions of such timelock puzzles from one-way permutations and collision-resistant hash-functions. On the positive side, we construct a time-lock puzzle with a linear gap in parallel time: a new puzzle can be generated with one round of n parallel queries to the random oracle, but n rounds of serial queries are required to solve it (even for massively parallel adversaries).
Views: 581 TheIACR
Oracle EBS AR Auto Lockbox
 
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A brief overview of AutoLockbox processing in EBS R11i and R12. For presentation used in this video, please visit: https://drive.google.com/drive/folders/0B6EDqGZwjejmLWZzNUNoN2JDZVk
Views: 18434 anilkumar ghorakavi
PV2016 Ora05 Oracle Lock in by Compliance
 
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Craig Guarente, CEO of Palisade Compliance discusses how Oracle locks in customers using compliance techniques.
Views: 46 Postgres Vision
Oracle Database 12c SQL Certified Associate 1Z0-071 : ROW Lock
 
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http://ytwizard.com/r/PLkVTt http://ytwizard.com/r/PLkVTt Oracle Database 12c SQL Certified Associate 1Z0-071 Become Oracle SQL Certified ( OCA ) / Covers ORACLE university track 100%. All the presentations & scripts are attached
What is enq TX row lock contention
 
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What is enq TX row lock contention Find More details Here: http://oracletech2u.blogspot.com/2014/03/what-is-enq-tx-row-lock-contention.html
Views: 210 oratech ahmed
PV2016 Ora06 Oracle Lock in by Contract Omissions
 
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Craig Guarente, CEO of Palisade Compliance shows how Oracle locks in customers using omissions from their contracts.
Views: 12 Postgres Vision
Optimistic vs Pessimistic Locking
 
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Connect on LinkedIn: https://www.linkedin.com/in/thippireddybharath/ Subscribe to my YouTube Channel: https://www.youtube.com/user/thippireddybharath Follow my adventures and course updates on Instagram: https://www.instagram.com/bharaththippireddy/ Like and connect on my facebook page: https://www.facebook.com/Bharath-Thippireddy-Net-114548718634098/ Maximum Discounts on my Other TOP Courses: Spring Boot Fundamentals: https://www.udemy.com/springbootfundamentals/?couponCode=YOUARETHECREATOR Angular 6 Crash Course(HOT and NEW): https://www.udemy.com/angular-6-crash-course/?couponCode=YOUARETHECREATOR TypeScript for Beginners https://www.udemy.com/typescript-for-beginners/?couponCode=YOUARETHECREATOR End To End Java Project Development Using Spring Boot: https://www.udemy.com/end-to-end-java-project-development-using-spring-boot/?couponCode=YOUARETHECREATOR Java Design Patterns: https://www.udemy.com/java-design-patterns/?couponCode=YOUARETHECREATOR Java Web Services: https://www.udemy.com/java-web-services/?couponCode=YOUARETHECREATOR Java Web Services Part 2: https://www.udemy.com/javawebservicespart2/?couponCode=YOUARETHECREATOR Spring Data REST: https://www.udemy.com/microservices-rest-apis-using-spring-data-rest/?couponCode=YOUARETHECREATOR Spring Framework in easy steps: https://www.udemy.com/springframeworkineasysteps/?couponCode=YOUARETHECREATOR Spring Data JPA Using Hibernate: https://www.udemy.com/spring-data-jpa-using-hibernate/?couponCode=YOUARETHECREATOR JDBC Servlets and JSP: https://www.udemy.com/jdbcservletsandjsp/?couponCode=YOUARETHECREATOR Junit and Mockito Crash Course: https://www.udemy.com/junitandmockitocrashcourse/?couponCode=YOUARETHECREATOR Core Java Made Easy: https://www.udemy.com/corejavamadeeasy/?couponCode=YOUARETHECREATOR XML and XML Schema Definition: https://www.udemy.com/xml-and-xml-schema-definition-in-easy-steps/?couponCode=YOUARETHECREATOR XSLT XPATH and XQUERY: https://www.udemy.com/xslt-xpath-and-xquery-fundamentals/?couponCode=YOUARETHECREATOR Maven Crash Course: https://www.udemy.com/mavencrashcourse/?couponCode=YOUARETHECREATOR Java Script Fundamentals: (FREE) https://www.udemy.com/javascriptfundamentals Advanced and Object Oriented JavaScript and ES6 (FREE) https://www.udemy.com/advanced-and-object-oriented-javascript Python Core and Advanced: (FREE) https://www.udemy.com/python-core-and-advanced/
Lock change in Oracle, AZ
 
00:25
Lock change in Oracle, AZ Phone Number : (520) 838-9576 http://yourtucsonlocksmith.com/oracle One of the most helpless circumstances anyone can encounter at the most inconvenient time of the day is a locked in or a locked out problem. Regardless of how much care we give them, they still tend to break sooner or later. We maybe the one to blame but what good it can do to us? Problems which are similar to this appear when we have least expect for it. This will cause you too much stress and frustrations. Also, it is not proper to deal with it all by yourself. It will be safer to let the specialists do it considering that they are trained and have the right knowledge in this area. The right solutions are within your reach with us so no need to worry. Our locksmith firm only emply the most trusted locksmiths. We make sure to provide reliable and most professional emergency locksmith services 24 hours a day, 7 days a week. We will provide you with complete and budget friendly locksmith services in Oracle, AZ. We have the up-to-date tools and applied the modern ways on solving lock problems and providing locksmith services. It is always important to get yourself ready for any type of burglary. Your family matters that most, thus, their security should come as your top priority. We'll take care of all your needs and demands with regard to your keys and any of your locking systems. All you have to do is to call us at our emergency hotline to acqure your most needed services. We do take great pride in all of our workmanship because we want to make sure that you get what you pay for - customer satisfaction at its finest. Any type of burglary can be really unpredictable. It can even happen in the most unexpected time. Your family members and valuable things should always be safe and protected. Make sure to call us at our emergency hotline to reach us.
ORA-01110,ORA-01157 CANNOT IDENTIFY/LOCK DATAFILE
 
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This video shows how to get back lost datafile with backup and validate the database.
Views: 16 tech nizan
Lock Mechanism - Oracle
 
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Demo Lock Mechanism Tugas Sistem Manajemen Basisdata Kelompok 4: - Arieska Nur W/14523169 - Denny Ardiansyah/14523182 - Muhammad Revaldy Putrayana/14523196 - Logistyo Yulistianto/14523202 Slideshare Demo: https://www.slideshare.net/LogistyoYulistianto/demo-lock-mechanism-dan-deadlock Presentasi: https://www.slideshare.net/LogistyoYulistianto/slide-presentasi-lock-mechanism-dan-dedadlock
Xiaomi Aqara Smart Lock Mi  Touch electronic lock.  You Can Buy in Online Store (ORACLE NON-STOP)
 
00:32
Xiaomi Aqara Smart Lock Mi Touch electronic lock - http://ali.pub/2sxy0u - You Can Buy in Online Store (ORACLE NON-STOP) Original Xiaomi Aqara Smart door touch lock live fingerprint Unlock + password 4 in 1 unlock app phone home security control Xiaomi Aqara Smart door touch lock Live fingerprint unlock, more secure than optical fingerprints, and support password unlock, proximity card unlock, key unlock. Main Features: - Support to view unlock records, family time to open the door and open the way as you can request, through the app -Voltage: 6 V DC - Operating temperature: - 10-55 deg. - Connect: ZigBee -B-level cylinder, a high level of security, the involvement of immediately the alarm -Anti-peeping design so that thieves can not do anything - Support iOS 8.0, Android 4.4 and above Brand:Xiaomi Package Weight: 5,625 kg ORACLE NON-STOP-represents all novelties from the Xiaomi company. Namely, smart devices, electronic gadgets, everything for sports and recreation, household appliances, security and protection, and much more. Subscribe to my channel! You will always be aware of new products from Xiaomi, and other brands.
Views: 11 ORACLE NON-STOP
Transactions and Concurrency Control Patterns by Vlad Mihalcea
 
45:29
Transactions and Concurrency Control are very of paramount importance when it comes to enterprise systems data integrity. However, this topic is very tough since you have to understand the inner workings of the database system, its concurrency control design choices (e.g. 2PL, MVCC), transaction isolation levels and locking schemes. In this presentation, I'm going to explain what data anomalies can happen depending on the transaction isolation level, with references to Oracle, SQL Server, PostgreSQL, and MySQL. I will also demonstrate that database transactions are not enough, especially for multi-request web flows. For this reason, I'm going to present multiple application-level transaction patterns based on both optimistic and pessimistic locking mechanisms.
Views: 6960 Devoxx

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