'Serializable schedules' presentation slideshows

Isolation in Relational Databases

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Isolation in Relational Databases

1.29k views • 97 slides

Chapter 21

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Database Transactions and Transaction Management

Database Transactions and Transaction Management. Svetlin Nakov. National Academy for Software Development. academy.devbg.org. Agenda. What is a Transaction? ACID Transactions Concurrency Problems Concurrency Control Techniques Locking Strategies Optimistic vs. Pessimistic Locking

784 views • 59 slides

ICS 214B: Transaction Processing and Distributed Data Management

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796 views • 53 slides

Transaction Processing

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Transaction Processing

537 views • 42 slides

Database Principles

Database Principles. College of Computer Science and Technology Chongqing University of Posts & Telecom. Transactions. Serializability & Atomicity Scheduling & Concurrency Control Recovery. Transactions.

480 views • 41 slides

Concurrency Control

Concurrency Control. General Overview. Relational model - SQL Formal & commercial query languages Functional Dependencies Normalization Transaction Processing and CC Physical Design Indexing Query Processing and Optimization. Transaction Concept.

539 views • 37 slides

More Transaction Management

406 views • 30 slides

Transactional Concurrency Control

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Transactional Concurrency Control

350 views • 28 slides

Transactional Concurrency Control

285 views • 28 slides

Concurrency Control

Concurrency Control. Transactions. A transaction is a list of actions. The actions are reads (written R T (O)) and writes (written W T (O)) of database objects. Example: T 1 : R(V), R(Y), W(V), W(C). Schedules.

633 views • 26 slides

Concurrency Control and Recovery

Concurrency Control and Recovery. Module 6, Lecture 1. Transactions. Concurrent execution of user programs is essential for good DBMS performance. Because disk accesses are frequent, and relatively slow, it is important to keep the cpu humming by working on several user programs concurrently.

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Concurrency Control

336 views • 21 slides

Database Systems ( ????? )

Database Systems ( ????? ). December 27, 2004 Chapter 17 By Hao-hua Chu ( ??? ). Announcements. Assignment #10 (Crash Recovery) will be (is) out on the course homepage We will cover chapter 17.1 ~ 17.4 only. Final exam period 1.10.2005 ~ 1.15.2005.

332 views • 20 slides

Allocating Isolation Levels to Transactions by Alan Fekete

Allocating Isolation Levels to Transactions by Alan Fekete. Presentation by Dr. Greg Speegle November 10, 2005. Introduction. Strict 2PL ensures serializability Snapshot isolation Increases concurrency Allows inconsistencies Both supported by DBMS What happens when both used?.

263 views • 19 slides

Serial and Serializable Schedules (Section 18.1)

Serial and Serializable Schedules (Section 18.1). Sean Gilpin ID: 109. Overview. Topics Covered: Schedules Serial Schedules Serializable Schedules Effect of Transaction Semantics Notation for Transactions and Schedules. Introduction.

290 views • 16 slides