Optimistic concurrency control (OCC), also known as optimistic locking, is a non-locking concurrency control method applied to transactional systems such...
11 KB (1,086 words) - 14:10, 30 April 2025
concurrency control methods, which involve the use of timestamps on transaction to determine transaction priority: Optimistic concurrency control Timestamp-based...
1 KB (89 words) - 17:44, 13 June 2025
operating systems, multiprocessors, and databases, concurrency control ensures that correct results for concurrent operations are generated, while getting those...
24 KB (2,976 words) - 21:42, 15 December 2024
In computer science, a timestamp-based concurrency control algorithm is a optimistic concurrency control method. It is used in some databases to safely...
8 KB (1,409 words) - 12:32, 22 March 2024
assumption that a locking schema is used for concurrency control, as opposed to an optimistic or multi-version concurrency scheme. This implies that the proposed...
19 KB (2,121 words) - 23:57, 3 May 2025
if the content has not changed. ETags can also be used for optimistic concurrency control to help prevent simultaneous updates of a resource from overwriting...
10 KB (1,299 words) - 22:11, 4 November 2024
Google's Tensor Processing Unit (TPU). Similarly, he proposed optimistic concurrency control in 1981, now a key principle in memory and database transaction...
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Speculative execution (category Concurrency (computer science))
exploiting value locality, prefetching memory and files, and optimistic concurrency control in database systems. Speculative multithreading is a special...
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American computer company Occasionally connected computing Optimistic concurrency control On-chip controller, a power and thermal monitoring component...
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Microsoft SQL Server (redirect from Concurrency control in SQL Server)
of concurrency control: pessimistic concurrency and optimistic concurrency. When pessimistic concurrency control is being used, SQL Server controls concurrent...
61 KB (7,167 words) - 05:20, 24 May 2025
challenges of concurrency control and scalability. A chief strategy in designing long-lived transactions is optimistic concurrency control with versioning...
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independent ADO.NET applications. Mimer SQL mainly uses optimistic concurrency control (OCC) to manage concurrent transactions. Mimer SQL is assigned port 1360...
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physical assets in an enterprise Operational transformation, an optimistic concurrency control method for group editing Optimality theory, a linguistic model...
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available clustered RDBMS developed by Bloomberg LP, built on optimistic concurrency control techniques. It provides multiple isolation levels, including...
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Broadway An Optimistic Tragedy (play), a 1933 Soviet stageplay An Optimistic Tragedy (film), a 1968 Soviet film Optimistic concurrency control in computing...
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completion or use of compensation in a long-running transaction. Optimistic concurrency control Long-lived transaction Garcia-Molina, Hector; Salem, Kenneth...
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Non-blocking algorithm (category Concurrency control)
control Optimistic concurrency control Göetz, Brian; Peierls, Tim; Bloch, Joshua; Bowbeer, Joseph; Holmes, David; Lea, Doug (2006). Java concurrency in...
19 KB (2,392 words) - 03:11, 22 June 2025
Deadlock (computer science) (category Concurrency (computer science))
allow preemption include lock-free and wait-free algorithms and optimistic concurrency control. If a process holding some resources and requests for some another...
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^Country("Paris")="France" TCommit implements an ACID transaction. GT.M uses optimistic concurrency control to manage transactions. A plug-in architecture allows the database...
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Lock (computer science) (category Concurrency control)
multiple threads of execution at once. Locks enforce mutual exclusion concurrency control policies, and with a variety of possible methods there exist multiple...
28 KB (3,538 words) - 09:21, 11 June 2025
Transactional memory (category Concurrency control)
little conflict among threads. Transactional memory provides optimistic concurrency control by allowing threads to run in parallel with minimal interference...
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MySQL replication, MySQL Cluster's geographic replication uses optimistic concurrency control and the concept of Epochs to provide a mechanism for conflict...
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transactions", through optimistic concurrency control, timestamp-based concurrency control and multiversion concurrency control (MVCC). Unlike version...
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used in modern respirators were invented by Peter Tsai. The optimistic concurrency control method was first proposed by Taiwanese computer scientist H...
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Commitment ordering (category Concurrency control)
serializability techniques in concurrency control of databases, transaction processing, and related applications. It allows optimistic (non-blocking) implementations...
93 KB (12,831 words) - 15:42, 21 August 2024
List of databases using MVCC (category Concurrency control algorithms)
database management systems and other software use multiversion concurrency control. Altibase Berkeley DB Cloudant Cloud Spanner Clustrix CockroachDB...
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Optimistic replication, also known as lazy replication, is a strategy for replication, in which replicas are allowed to diverge. Traditional pessimistic...
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Operational transformation (category Concurrency control)
systems. OT was originally invented for consistency maintenance and concurrency control in collaborative editing of plain text documents. Its capabilities...
46 KB (5,377 words) - 21:11, 15 July 2025
linked list. Safely handling undefined values is important in optimistic concurrency control systems, which detect race conditions after the fact. For example...
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CrateDB Yes Yes No Yes Apache 2 License Eventual consistency, Optimistic concurrency control EnterpriseDB Yes Yes No Yes Proprietary Full ACID Informix Yes...
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