'Inconsistent analysis problem' diaporamas de présentation

Basics of Transaction Management

Basics of Transaction Management. Introduction. Transactions, recovery and concurrency control Transactions and transaction management Recovery Concurrency control The ACID properties of transactions. Transactions, Recovery and Concurrency control.

579 views • 57 slides

Advanced Database Systems

857 views • 50 slides

Concurrency control

Concurrency control . Introduction. concurrency more than one transaction have access to data simultaneously part of transaction processing. Outline. motivation three concurrency problems criterion for correctness of concurrent transactions serialisability two-phase locking protocol

619 views • 25 slides

Transaction Management

Transaction Management. Reading: CB, Ch. 20. In this lecture you will learn. the problems of concurrency in multi-user DBMSs why the concept of a transaction is useful how locks can be used to serialise transactions the concept of deadlocks and how they can be resolved

382 views • 19 slides