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DBMS-Transactions and Concurrency Control

28 posts

Cascadeless in DBMS

Last Updated: 21 January 2025

In a Database Management System (DBMS), maintaining data consistency and avoiding unnecessary complications during transaction execution are critical. A cascadeless schedu...read more

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DBMS-Transactions and Concurrency Control

Concurrency problems in DBMS Transactions

Last Updated: 28 December 2024

Concurrency control is an essential aspect of database management systems (DBMS) that ensures transactions can execute concurrently without interfering with each other. Ho...read more

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DBMS-Transactions and Concurrency Control

Concurrency Control Techniques

Last Updated: 08 July 2025

Concurrency control is a fundamental concept in database systems that ensures correct execution of simultaneous transactions without violating data integrity. Below are so...read more

DBMS-Transactions and Concurrency Control

Algorithm for Recovery and Isolation Exploiting Semantics (ARIES)

Last Updated: 27 August 2019

Algorithm for Recovery and Isolation Exploiting Semantics (ARIES) is based on the Write Ahead Log (WAL) protocol. Every update operation writes a log record which is one o...read more

DBMS-Transactions and Concurrency Control

Main difference between Timestamp protocol and Thomas write rule in DBMS

Last Updated: 08 October 2024

In database systems, the issue of maintaining consistency while executing transactional processes concurrently is very important. Two concurrency control methods that can ...read more

Difference Between

DBMS-Transactions and Concurrency Control

Transaction States in DBMS

Last Updated: 16 June 2025

A transaction in DBMS is a sequence of operations performed as a single logical unit of work (e.g., transferring money between accounts). All operations in a transaction a...read more

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DBMS-Transactions and Concurrency Control

Introduction of Shadow Paging

Last Updated: 24 January 2025

Shadow paging is a fundamental recovery technique used in database management systems (DBMS) to ensure the reliability and consistency of data. It plays a crucial role in ...read more

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DBMS-Transactions and Concurrency Control

Recovery With Concurrent Transactions

Last Updated: 25 August 2020

Concurrency control means that multiple transactions can be executed at the same time and then the interleaved logs occur. But there may be changes in transaction results ...read more

Computer Subject

DBMS-Transactions and Concurrency Control

Equivalent Serial Schedule of Conflict Serializable Schedule in DBMS

Last Updated: 25 April 2023

Prerequisite: Conflict Serializability, Precedence GraphConflict Serializable Schedule: A schedule is called conflict serializable if it can be transformed into a serial s...read more

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Topological Sorting

DBMS-Transactions and Concurrency Control

Types of Locks in Concurrency Control

Last Updated: 11 January 2022

Commercial demands for ensuring smooth functionality and highly efficient run-time servers, make it highly prime for Database Designers to work out systems and code which ...read more

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DBMS-Transactions and Concurrency Control

What is Snapshot Isolation?

Last Updated: 10 February 2022

The isolation levels in DBMS are used to maintain concurrent execution of transactions without facing interruption through problems like dirty read, phantom read, and non-...read more

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Computer Subject

DBMS-Transactions and Concurrency Control

Elite-Batch-2022

Multiversion Timestamp Ordering

Last Updated: 19 March 2022

In the Multiversion timestamp ordering technique, for each transaction in the system, a unique timestamp is assigned before the start of the execution of the transaction. ...read more

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DBMS-Transactions and Concurrency Control

Central Authentication Service

Last Updated: 30 March 2022

Central Authentication Service is a single sign-on protocol that is developed to permit a user to have access to multiple applications using the same underlying authentica...read more

DBMS-Transactions and Concurrency Control

Transaction Control in DBMS

Last Updated: 02 June 2023

The transaction is a single logical unit that accesses and modifies the contents of the database. Transactions access data using read and write operations. Transaction is ...read more

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DBMS-Transactions and Concurrency Control

Serializability in DBMS

Last Updated: 04 July 2025

In this article, we are going to explain the serializability concept and how this concept affects the DBMS deeply, we also understand the concept of serializability with s...read more

DBMS-Transactions and Concurrency Control