In the fields of databases and transaction processing (transaction management), a schedule (or history) of a system is an abstract model to describe the...
20 KB (2,514 words) - 12:34, 28 May 2025
A database transaction symbolizes a unit of work, performed within a database management system (or similar system) against a database, that is treated...
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critical path method. Scheduling is important as an internal process in computer science, wherein a database transaction schedule is a list of actions...
17 KB (2,127 words) - 10:38, 22 January 2025
Two-phase locking (redirect from Rigorousness (databases))
name of the resulting set of database transaction schedules (histories). The protocol uses locks, applied by a transaction to data, which may block (interpreted...
7 KB (777 words) - 11:30, 17 December 2024
processes. The transaction-related mechanisms typically constrain the database data access operations' timing (transaction schedules) to certain orders...
19 KB (2,121 words) - 23:57, 3 May 2025
Rollback (data management) (category Transaction processing)
transaction log, but can also be implemented via multiversion concurrency control. A cascading rollback occurs in database systems when a transaction...
4 KB (397 words) - 20:16, 30 March 2025
Concurrency control (category Transaction processing)
that no committed transaction in a schedule has read data written by an aborted transaction. Such data disappear from the database (upon the abort) and...
24 KB (2,976 words) - 21:42, 15 December 2024
data through the enforcement of database transaction deadlines and include a mechanism (such as transaction scheduling policies) to maximize the number...
19 KB (2,747 words) - 05:03, 5 December 2023
Corporation. It is a database commonly used for running online transaction processing (OLTP), data warehousing (DW) and mixed (OLTP & DW) database workloads. Oracle...
27 KB (1,619 words) - 10:42, 7 June 2025
to machines. Database transaction schedule, a list of actions from a set of transactions in databases Interval scheduling Key schedule, cryptographic...
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Purpose of Transaction (Section 4). An aggregate database of schedules 13D, 13G, 13F are provided by private service providers such as Edgar. Schedule 13G Schedule...
3 KB (435 words) - 14:46, 15 October 2022
changes in computer projects A database transaction schedule, also called a history, in the fields of databases and transaction processing Web browsing history...
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System (IMS) – 1966. A joint hierarchical database and information management system with extensive transaction processing capabilities. Runs on OS/360...
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Global serializability (category Transaction processing)
global schedule of transactions. A global schedule is the unified schedule of all the individual database (and other transactional object) schedules in a...
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Thomas write rule (category Transaction processing)
example, consider a database with 3 variables (A, B, C), and two atomic operations C := A (T1), and C := B (T2). Each transaction involves a read (A or...
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architectures Concurrency control § Concurrency control mechanisms Database transaction schedule § Serializable Serializability Madnick 1968, p.19 Saltzer, Jerome...
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Write–read conflict (category Transaction processing)
occurs when "a transaction requests to write an entity, for which an unclosed transaction has already made a read request." Given a schedule S S = [ T 1...
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Read–write conflict (category Transaction processing)
occurs when a "transaction requests to read an entity for which an unclosed transaction has already made a write request." Given a schedule S S = [ T 1 T...
3 KB (325 words) - 08:37, 28 May 2025
Write–write conflict (category Transaction processing)
occurs when "transaction requests to write an entity for which an unclosed transaction has already made a write request." Given a schedule S S = [ T 1...
2 KB (247 words) - 15:22, 10 June 2025
Serializable may refer to: Serializable (databases), an attribute of a database transaction's schedule (history) capable of being serialized, or transformed...
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PostgreSQL (category Client-server database management systems)
each write transaction, the master waits until at least one replica node has written the data to its transaction log. Unlike other database systems, the...
104 KB (8,761 words) - 22:11, 22 July 2025
Precedence graph (category Database management systems)
context of concurrency control in databases. It is the directed graph representing precedence of transactions in the schedule, as reflected by precedence of...
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AXFR, is a type of DNS transaction. It is one of the many mechanisms available for administrators to replicate DNS databases across a set of DNS servers...
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heart of the database and transaction system is Integrated Recovery. "Integrated" implies the integration of all data models, the transaction file manager...
3 KB (377 words) - 12:53, 19 July 2024
Batch processing (category Job scheduling)
payload. Efficient bulk database updates and automated transaction processing, as contrasted to interactive online transaction processing (OLTP) applications...
17 KB (1,947 words) - 14:09, 2 August 2025
IBM Information Management System (category Database engines)
Management System (IMS) is a joint hierarchical database and information management system that supports transaction processing. Development began in 1966 to...
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people known as the Strict Strict histories (or executions) in database transaction scheduling This disambiguation page lists articles associated with the...
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Data warehouse (redirect from Dimensional database)
transactions per second. OLTP databases contain detailed and current data. The schema used to store transactional databases is the entity model (usually...
39 KB (4,777 words) - 17:51, 20 July 2025
components, including computer security, Java servlet lifecycle management, transaction processing, and other web services. The EJB specification is a subset...
38 KB (4,984 words) - 23:33, 31 July 2025
Cryptocurrency (section Transaction fees)
ledger or blockchain, which is a computerized database that uses a consensus mechanism to secure transaction records, control the creation of additional...
222 KB (20,113 words) - 03:43, 2 August 2025