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SCPT 36:What is Locking
 
12:34
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: 29919 Oresoft LWC
locks in DBMS | dbms locks | Lock Based Protocol DBMS Transaction Management | Concurrency Control
 
10:58
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: 32172 Well Academy
Optimistic vs Pessimistic Locking
 
03:49
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Concurrency Control - Lock Based Protocol in DBMS Transaction Management
 
11:48
DBMS Tutorial in English, Hindi - Concurrency Control - Lock Based Protocol in DBMS Transaction Management for students of IP University Delhi and Other Universities, Engineering, MCA, BCA, B.Sc, M.Sc Colleges.
Views: 202596 Easy Engineering Classes
Oracle username and password and Account unlocking
 
08:37
all education purpose videos
Views: 273881 Chandra Shekhar Reddy
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.
Types of locks.mp4
 
01:50
Views: 51 Kelsey Nash
PL/SQL: Mutating Triggers Part-1
 
06:24
In this tutorial, you'll learn... PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. PL/SQL is available in Oracle Database (since version 7), TimesTen in-memory database (since version 11.2.1), and IBM DB2 (since version 9.7).[1] Oracle Corporation usually extends PL/SQL functionality with each successive release of the Oracle Database. PL/SQL includes procedural language elements such as conditions and loops. It allows declaration of constants and variables, procedures and functions, types and variables of those types, and triggers. It can handle exceptions (runtime errors). Arrays are supported involving the use of PL/SQL collections. Implementations from version 8 of Oracle Database onwards have included features associated with object-orientation. One can create PL/SQL units such as procedures, functions, packages, types, and triggers, which are stored in the database for reuse by applications that use any of the Oracle Database programmatic interfaces. PL/SQL works analogously to the embedded procedural languages associated with other relational databases. For example, Sybase ASE and Microsoft SQL Server have Transact-SQL, PostgreSQL has PL/pgSQL (which emulates PL/SQL to an extent), and IBM DB2 includes SQL Procedural Language,[2] which conforms to the ISO SQL’s SQL/PSM standard. The designers of PL/SQL modeled its syntax on that of Ada. Both Ada and PL/SQL have Pascal as a common ancestor, and so PL/SQL also resembles Pascal in several aspects. However, the structure of a PL/SQL package does not resemble the basic Object Pascal program structure as implemented by a Borland Delphi or Free Pascal unit. Programmers can define public and private global data-types, constants and static variables in a PL/SQL package.[3] PL/SQL also allows for the definition of classes and instantiating these as objects in PL/SQL code. This resembles usage in object-oriented programming languages like Object Pascal, C++ and Java. PL/SQL refers to a class as an "Abstract Data Type" (ADT) or "User Defined Type" (UDT), and defines it as an Oracle SQL data-type as opposed to a PL/SQL user-defined type, allowing its use in both the Oracle SQL Engine and the Oracle PL/SQL engine. The constructor and methods of an Abstract Data Type are written in PL/SQL. The resulting Abstract Data Type can operate as an object class in PL/SQL. Such objects can also persist as column values in Oracle database tables. PL/SQL is fundamentally distinct from Transact-SQL, despite superficial similarities. Porting code from one to the other usually involves non-trivial work, not only due to the differences in the feature sets of the two languages,[4] but also due to the very significant differences in the way Oracle and SQL Server deal with concurrency and locking. There are software tools available that claim to facilitate porting including Oracle Translation Scratch Editor,[5] CEITON MSSQL/Oracle Compiler [6] and SwisSQL.[7] The StepSqlite product is a PL/SQL compiler for the popular small database SQLite. PL/SQL Program Unit A PL/SQL program unit is one of the following: PL/SQL anonymous block, procedure, function, package specification, package body, trigger, type specification, type body, library. Program units are the PL/SQL source code that is compiled, developed and ultimately executed on the database. The basic unit of a PL/SQL source program is the block, which groups together related declarations and statements. A PL/SQL block is defined by the keywords DECLARE, BEGIN, EXCEPTION, and END. These keywords divide the block into a declarative part, an executable part, and an exception-handling part. The declaration section is optional and may be used to define and initialize constants and variables. If a variable is not initialized then it defaults to NULL value. The optional exception-handling part is used to handle run time errors. Only the executable part is required. A block can have a label. Package Packages are groups of conceptually linked functions, procedures, variables, PL/SQL table and record TYPE statements, constants, cursors etc. The use of packages promotes re-use of code. Packages are composed of the package specification and an optional package body. The specification is the interface to the application; it declares the types, variables, constants, exceptions, cursors, and subprograms available. The body fully defines cursors and subprograms, and so implements the specification. Two advantages of packages are: Modular approach, encapsulation/hiding of business logic, security, performance improvement, re-usability. They support object-oriented programming features like function overloading and encapsulation. Using package variables one can declare session level (scoped) variables, since variables declared in the package specification have a session scope.
Views: 23813 radhikaravikumar
Reeky Locks in Oracle, AZ
 
00:25
Reeky Locks 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.
Simple Locking Protocol | Concurrency Control
 
10:25
Join Discussion: http://www.techtud.com/video-lecture/simple-locking-protocol IMPORTANT LINKS: 1) Official Website: http://www.techtud.com/ 2) Virtual GATE: http://virtualgate.in/login/index.php Both of the above mentioned platforms are COMPLETELY FREE, so feel free to Explore, Learn, Practice & Share! Our Social Media Links: Facebook Page: https://www.facebook.com/techtuduniversity Facebook Group: https://www.facebook.com/groups/virtualgate Google+ Page: https://plus.google.com/+techtud/posts Last but not the least, SUBSCRIBE our YouTube channel to stay updated about the regularly uploaded new videos.
Views: 52615 Techtud
Simplified DBA-019-Data Concurrency and Locks
 
03:56
DATA CONCURRENCY More than one user connections ( session ) can access same data. For example user1 and user2 can view same employee information at the same time. But not two users can modify same data in one time. This is maintained by oracle lock mechanism. Before the database allows a session to modify data, the session must first lock the data that is being modified. A lock gives the session exclusive control over the data so that no other transaction can modify the locked data until the lock is released. Transactions can lock individual rows of data, multiple rows, or even entire tables. Oracle Database supports both manual and automatic locking. Automatically acquired locks always choose the lowest possible level of locking to minimize potential conflicts with other transactions. Demo: User1 is modifying an employee. User1 session will acquire a lock on the row. Same time user2 is trying to modify same employee. Since User1 has acquired lock, user2 has to wait until user1 releases the lock. Manual locking is possible. A user can place a lock manually as follows: LOCK TABLE mytable1 IN EXCLUSIVE MODE; With the preceding statement, any other transaction that tries to update a row in the locked table must wait until the transaction that issued the lock request completes. EXCLUSIVE is the strictest lock mode. The following are the other lock modes: ROW SHARE: Permits concurrent access to the locked table but prohibits sessions from locking the entire table for exclusive access ROW EXCLUSIVE: Is the same as ROW SHARE, but also prohibits locking in SHARE mode. The ROW EXCLUSIVE locks are automatically obtained when updating, inserting, or deleting data. ROW EXCLUSIVE locks allow multiple readers and one writer. SHARE: Permits concurrent queries but prohibits updates to the locked table. A SHARE lock is required (and automatically requested) to create an index on a table. However, online index creation requires a ROW SHARE lock that is used when building the index.
SCPT 37: Optimistic and Pessimistic Locking
 
14:56
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: 22370 Oresoft LWC
Oracle database locking issue
 
03:17
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
Real-World Performance - 15 - Index Contention
 
19:46
Check out the entire series on the Oracle Learning Library at http://www.oracle.com/goto/oll/rwp In this video, listen and watch Andrew Holdsworth, Vice President of Oracle Database Real-World Performance at Oracle Corporation, as he explains how index contention affects performance. Copyright © 2014 Oracle and/or its affiliates. Oracle® is a registered trademark of Oracle and/or its affiliates. All rights reserved. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the "Materials"). The Materials are provided "as is" without any warranty of any kind, either express or implied, including without limitation warranties of merchantability, fitness for a particular purpose, and non-infringement.
Identifying & Locking default (service) accounts in Oracle
 
01:37
Oracle default installation comes up with several database accounts that're opened and have escalated privileges. Oracle database installs with a number of default database user accounts. Upon successful installation of the database, the Database Configuration Assistant automatically locks and expires most default database user accounts. If you perform a manual (without using Database Configuration Assistant) installation of Oracle Database, then no default database users are locked upon successful installation of the database server. Or, if you have upgraded from a previous release of Oracle Database, you might have default accounts from earlier releases. Left open in their default states, these user accounts can be exploited, to gain unauthorized access to data or disrupt database operations. You should lock and expire all default database user accounts. Oracle Database provides SQL statements to perform these operations.
Views: 643 checklist20
42 Oracle 11g Tutorials Types of Tables (By MrMerchant Co.)
 
05:00
Oracle 11g Complete Tutorials - PART42 Don't forget to subscribe to my channel. (source: Coding Arena).
Views: 2 MrMerchant Co.
SQL: Transaction Part-1
 
06:05
In this tutorial, you'll learn what are transaction and nature of transaction. PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. PL/SQL is available in Oracle Database (since version 7), TimesTen in-memory database (since version 11.2.1), and IBM DB2 (since version 9.7).[1] Oracle Corporation usually extends PL/SQL functionality with each successive release of the Oracle Database. PL/SQL includes procedural language elements such as conditions and loops. It allows declaration of constants and variables, procedures and functions, types and variables of those types, and triggers. It can handle exceptions (runtime errors). Arrays are supported involving the use of PL/SQL collections. Implementations from version 8 of Oracle Database onwards have included features associated with object-orientation. One can create PL/SQL units such as procedures, functions, packages, types, and triggers, which are stored in the database for reuse by applications that use any of the Oracle Database programmatic interfaces. PL/SQL works analogously to the embedded procedural languages associated with other relational databases. For example, Sybase ASE and Microsoft SQL Server have Transact-SQL, PostgreSQL has PL/pgSQL (which emulates PL/SQL to an extent), and IBM DB2 includes SQL Procedural Language,[2] which conforms to the ISO SQL’s SQL/PSM standard. The designers of PL/SQL modeled its syntax on that of Ada. Both Ada and PL/SQL have Pascal as a common ancestor, and so PL/SQL also resembles Pascal in several aspects. However, the structure of a PL/SQL package does not resemble the basic Object Pascal program structure as implemented by a Borland Delphi or Free Pascal unit. Programmers can define public and private global data-types, constants and static variables in a PL/SQL package.[3] PL/SQL also allows for the definition of classes and instantiating these as objects in PL/SQL code. This resembles usage in object-oriented programming languages like Object Pascal, C++ and Java. PL/SQL refers to a class as an "Abstract Data Type" (ADT) or "User Defined Type" (UDT), and defines it as an Oracle SQL data-type as opposed to a PL/SQL user-defined type, allowing its use in both the Oracle SQL Engine and the Oracle PL/SQL engine. The constructor and methods of an Abstract Data Type are written in PL/SQL. The resulting Abstract Data Type can operate as an object class in PL/SQL. Such objects can also persist as column values in Oracle database tables. PL/SQL is fundamentally distinct from Transact-SQL, despite superficial similarities. Porting code from one to the other usually involves non-trivial work, not only due to the differences in the feature sets of the two languages,[4] but also due to the very significant differences in the way Oracle and SQL Server deal with concurrency and locking. There are software tools available that claim to facilitate porting including Oracle Translation Scratch Editor,[5] CEITON MSSQL/Oracle Compiler [6] and SwisSQL.[7] The StepSqlite product is a PL/SQL compiler for the popular small database SQLite. PL/SQL Program Unit A PL/SQL program unit is one of the following: PL/SQL anonymous block, procedure, function, package specification, package body, trigger, type specification, type body, library. Program units are the PL/SQL source code that is compiled, developed and ultimately executed on the database. The basic unit of a PL/SQL source program is the block, which groups together related declarations and statements. A PL/SQL block is defined by the keywords DECLARE, BEGIN, EXCEPTION, and END. These keywords divide the block into a declarative part, an executable part, and an exception-handling part. The declaration section is optional and may be used to define and initialize constants and variables. If a variable is not initialized then it defaults to NULL value. The optional exception-handling part is used to handle run time errors. Only the executable part is required. A block can have a label. Package Packages are groups of conceptually linked functions, procedures, variables, PL/SQL table and record TYPE statements, constants, cursors etc. The use of packages promotes re-use of code. Packages are composed of the package specification and an optional package body. The specification is the interface to the application; it declares the types, variables, constants, exceptions, cursors, and subprograms available. The body fully defines cursors and subprograms, and so implements the specification. Two advantages of packages are: Modular approach, encapsulation/hiding of business logic, security, performance improvement, re-usability. They support object-oriented programming features like function overloading and encapsulation. Using package variables one can declare session level (scoped) variables, since variables declared in the package specification have a session scope.
Views: 3210 radhikaravikumar
GRANT,DEADLOCK IN ORACLE PART2
 
08:54
PART 2 6-GRANT 7-DEADLOCK BY YASSIR TAQATQA بواسطة ياسر طقاطقة
Views: 841 Yassir Taqatqa
ACID properties in DBMS | transaction management in Dbms | DBMS
 
12:30
This video contains the basic concepts of Transaction and will help students in various competitive exams like GATE , NET, PSU'S etc Following are the important topics of dbms ER‐model - entity–relationship model, strong entity set, weak entity set, single valued attribute, multivalued attribute, stored attribute, derived attribute, simple attribute composite attribute, weak relationship, strong relationship, mapping, cardinality ratios, discriminator attribute, fan trap, chasm trap Relational model – relational table, column, domain, row, tuple, relational algebra – selection, projection, union, intersection, set difference, Cartesian product, natural join, left outer join, right outer join, complete outer join, theta join, division operator, nested query, safe query tuple calculus – tuple relational calculus, domain relational calculus, SQL – select, from, where, order by, group by, max, min, avg, count, sum, having, Integrity constraints – super key, candidate key, primary key, foreign key, alternate key, secondary key, surrogate key normal forms – first normal form, second normal form, third normal form, bcnf, 4nf, 5nf, functional dependency, minimal cover, canonical collection, multivalued functional dependency, dependency preserving, lossy and lossless decomposition. File organization – indexing, B, B+ trees, key attribute, anchor attribute, primary indexing, secondary indexing, clustered indexing, multilevel indexing, block pointer, tree pointer, record pointer, top down search, sequential search, range query, index file, ordering, non-ordering Transactions and concurrency control- transaction, acid properties, atomicity, consistency, isolation, durability, life cycle of a transaction, active state, partially committed state, committed state, abort, rollback, terminated, phantom read, dirty read, unrepeatable read, lost update problem, conflict serializability, view serializability, irrecoverable schedule, cascading rollback, recoverable schedule, cascadless schedule. Lock based protocol, two phase locking, exclusive lock, shared lock, growing phase, shrinking phase, conservative two-phase locking, rigorous two phase locking, strict two phase locking, time stamping, time stamp, read, write, deadlock, granularity, tree based protocol, transaction in dbms,acid properties,acid properties in dbms,acid properties in dbms with examples,acid properties in rdbms,transaction management in dbms,transaction and concurrency control in dbms,transaction management and concurrency control,atomicity problem in dbms,atomicity consistency isolation durability,acid properties in database,transaction processing system,atomicity,consistency,isolation,durability,transaction and concurrency control in dbms for gate transaction in dbms,acid properties,acid properties in dbms,acid properties in dbms with examples,acid properties in rdbms,transaction management in dbms,transaction and concurrency control in dbms,transaction management and concurrency control,atomicity problem in dbms,atomicity consistency isolation durability,acid properties in database,transaction processing system,atomicity,consistency,isolation,durability,transaction and concurrency control in dbms for gate transaction in dbms,acid properties,acid properties in dbms,acid properties in dbms with examples,acid properties in rdbms,transaction management in dbms,transaction and concurrency control in dbms,transaction management and concurrency control,atomicity problem in dbms,atomicity consistency isolation durability,acid properties in database,transaction processing system,atomicity,consistency,isolation,durability,transaction and concurrency control in dbms for gate
Views: 192185 KNOWLEDGE GATE
Deadlock - Oracle
 
02:04
Demo Deadlock 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
What is enq TX row lock contention
 
00:09
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
How To Use VirtualBox - Complete Step by Step Tutorial
 
17:29
www.techzaada.com A step by step video of Virtualbox. this video is about how to use Virtual box with complete step by step guide. virtualbox is a software in wich you can install multiple windows operating systems. such as windows 7, windows 8, windows vista, windows xp, linux, even you can install MAC OS, inside your computer or virtualbox, download the virtualbox from the link below. . https://www.virtualbox.org/wiki/Downloads VISIT MY WEBSITE FOR MORE LATEST TIPS AND TRICKS. WWW.TECHZAADA.COM SUGGESTED VIDEOS..... 1. 5 Ways to Repair a Corrupted SD Card/USB Flash or External Hard Disk. https://www.youtube.com/watch?v=oBkC8EhbZ7U&t=160s 2. How to Transfer Files From USB Flash to iPhone/iPad/iPod (No Computer Needed) https://www.youtube.com/watch?v=o-T3V9WgoSg&t=114s - 3. How to Remove Pattern or Password from Android Phone without Factory Reset/Without Loosing data. https://www.youtube.com/watch?v=mbMBqBLPGLQ&t=1s - 4. How to Hide your WiFi Signal from others. https://www.youtube.com/watch?v=Z4jG1Dw-9iU&t=12s - 5. How to Backup or Recover Data from a Broken Android Phone/Tablet https://www.youtube.com/watch?v=noCGBSryzIc&t=25s - 6. How to install Mac OS on any Windows Computer https://www.youtube.com/watch?v=Dd7z-lQ1FB0&t=52s - 7. How to Recover deleted files from Android. https://www.youtube.com/watch?v=EvesbfSC6hU - 8. How to Backup data from a Broken iPhone or iPad. https://www.youtube.com/watch?v=gmfCDvt-vrI&t=163s - 7. How to get PAID Udemy courses for free. https://www.youtube.com/watch?v=HX2gtSQPU8U&t=3s . -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Follow me on Twitter https://twitter.com/TechZaada Follow me on Facebook https://www.facebook.com/techzaada Follow me on Google Plus https://plus.google.com/u/0/communities/102161270264068173502 -~-~~-~~~-~~-~- Please watch: "How to Unlock Android Pattern or Pin Lock without losing data | Without USB Debugging" https://www.youtube.com/watch?v=mbMBqBLPGLQ -~-~~-~~~-~~-~-
Views: 752473 Tech Zaada
Oracle 11g Lock Monitoring with Read Committed Transaction Isolation Level Brief Explanation
 
12:24
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: 189 Boby Siswanto
Oracle Semantics for Concurrent Separation Logic
 
43:48
We define (with machine-checked proofs in Coq) a modular operational semantics for Concurrent C minorΓÇöa language with shared memory, spawnable threads, and first-class locks. By modular we mean that one can reason about sequential control and data-flow knowing almost nothing about concurrency, and one can reason about concurrency knowing almost nothing about sequential control and data-flow constructs. We present a concurrent Separation Logic with first-class locks and threads, and prove its soundness with respect to the operational semantics. Using our modularity principle, we proved the sequential C.S.L. rules (those inherited from sequential Separation Logic) simply by adapting Appel & BlazyΓÇÖs machine-checked soundness proofs. Our Concurrent C minor operational semantics is designed to connect to LeroyΓÇÖs optimizing (sequential) C minor compiler; we propose our modular semantics as a way to adapt LeroyΓÇÖs compiler-correctness proofs to the concurrent setting. Thus we will obtain end-to-end proofs: the properties you prove in Concurrent Separation Logic will be true of the program that actually executes on the machine.
Views: 39 Microsoft Research
Transaction Control and Isolation Level in-Oracle
 
08:01
Database transaction is an important concept to understand while working in database and SQL. Transaction in database is required to protect data and keep it consistent when multiple users access the database at same time. In this database transaction tutorial we will learn what is transaction in database, why do you need transaction in database, ACID properties of database transaction and an example of database transaction along with commit and rollback. Almost all vendors like Oracle, MySQL, SQL Server or Sybase provide transaction facility though MySQL only provide it for certain storage engine like InnoDB and BDB and not for MyISAM.
Views: 863 Satyajit Mukherjee
LOCKING DATABASE (ORACLE)
 
08:33
Demo Locking Tugas Sistem Manajemen Basisdata Desy Fajar Rahayu 13523087 Mia Puspa Pertiwi 13523096 Annisa Dian Pertiwi 13523105 Ardisa Benita Yolanda 13523190
Views: 70 Ardisa Benita
Lock Modes - Locks in SQL Server - Part 2 Tamil
 
04:30
Click here to Subscribe to IT PORT Channel : https://www.youtube.com/channel/UCMjmoppveJ3mwspLKXYbVlg The Microsoft SQL Server Database Engine locks resources using different lock modes that determine how the resources can be accessed by concurrent transactions. There are more than 20 types of Lock modes in SQL Server. Here we list out Most Important lock modes. Explained in Tamil
Views: 180 IT Port
Concorrencia Oracle
 
09:17
neste vídeo vemos como funciona a concorrência de transações no Oracle. Apresentamos conceitos como LOCK, BLOCK e DEADLOCK
Views: 384 Eduardo Morelli
NoPLSql and Thick Database Approaches with Toon Koppelaars
 
49:48
Toon Koppelaars describes an experiment to measure the work done by Oracle Database to complete a specific task using different approaches. The NoPlsql approach treats the database as no more than a persistence layer, using only naive single-row SQL statements; it implements all business logic outside of it. The Thick Database approach treats the database as a processing engine; it uses a combination of sophisticated set-based SQL statements and PL/SQL to implement all business logic inside it. “No business logic in the database” advocates take note: the Thick Database approach gets the task done with far less database work than the NoPlsql approach. Toon is a Consulting Member of Technical staff in Oracle Corporation's Real-World Performance Group. ================================= For more information, see http://www.oracle.com/goto/oll Copyright © 2016 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.
Locks, Blocks, and Two Smoking Deadlocks
 
41:46
We will find out how locking works in SQL server, why blocking occurs, how to identify and to prevent different types of deadlocks. Concurrency models, isolation levels and read phenomena are also worth mentioning. ---------------------------------------------------------------- My presentation https://mega.nz/#!TUpE1YyS!iBY6CWjL2ghZsopNTOFxL_oUWt5iXtqeCicVA6sHtiU ---------------------------------------------------------------- EPAM IT WEEK 2016
Views: 296 Eugene Berko
Oracle "Waiting"
 
04:58
Oracle - Waiting - sur l'album "Tree" (1993)
Views: 288 fidale rebbec
oracle in select
 
13:49
oracle in select
Views: 452 Prakash Mishra
Oracle Sessions Monitoring and Tuning Fundamentals 3 of 4
 
23:38
In this tutorial you will learn how to monitor locks, latches, wait events in oracle.
Views: 1035 DBA Pro
This is how hackers hack you using simple social engineering
 
02:30
Simple Social Engineering Trick with a phone call and crying baby
Views: 775890 oracle mind
Improving foreign key concurrency
 
43:17
To lock and not to block Row locking is a mechanism that lets Postgres maintain strict consistency in certain database constraints, such as foreign keys. However, Postgres has historically only provided share and exclusive row locking, which I'll show to have significant drawbacks for concurrency. To solve the concurrency problem, two new row lock types are being introduced in release 9.2: SELECT FOR KEY SHARE and SELECT FOR KEY UPDATE. In this talk I'll explain how this new locking came to be, how it works, and how it helps significantly improve concurrency in applications.
Views: 213 Andrea Ross
Cloud Access Security Brokers (CASB) in 5 Minutes
 
04:36
An introduction to Cloud Access Security Brokers (CASB) in follow up to Gartner's recent report.
Views: 31194 CloudLock
Top 5 Most Common Locks
 
02:51
This video covers the top 5 most common types of locks found in residential locks and elsewhere. From combination locks, deadbolt locks, padlocks to electronic locks, this video covers it all. Thank you for viewing! Music courtesy of: incomptech
Views: 160 Avishay Lavy
PL/SQL  interview questions and answers
 
01:01
Detail about what is CURSOR and its types with cursor example
Views: 151 Roshan Bhesal
HOW TO PERFORM DML OPERATION IN ORACLE SQL.
 
05:34
In this video i'll show you how to perform DML operation/statement in oracle sql
Views: 141 Medtech 655
Let's Learn Teradata Lesson 103: No Wait and Other Advanced Locking Options!
 
04:28
Explore Teradata with Tera-Tom of Coffing Data Warehousing! In this lesson, we're to take a closer look at the No Wait function as well as more advanced locking options!
How to Change Schema Password Using Oracle SQL Developer | Oracle SQL Developer Tips and Tricks
 
01:56
How to Change Schema Password Using Oracle SQL Developer | Oracle SQL Developer Tips and Tricks Oracle SQL Tutorial for Beginners Oracle SQL Developer Tips and Tricks Oracle Tutorial for Beginners Oracle Database Tutorial for Beginners Oracle SQL Developer Tips and Tricks Oracle Tutorial How to change sql developer password Changing password with Oracle SQL Developer How to Change Oracle Schema Password How to Change Schema Password in Oracle How to Change Password Using Oracle SQL Developer Resetting Your Oracle Database Password with Oracle SQL Developer oracle database, password reset using sql developer Reset Oracle Schema Password Using Oracle SQL Developer

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