'Dirty read' presentation slideshows

STM in Managed Runtimes: High-Level Language Semantics (MICRO 07 Tutorial)

465 views • 36 slides

The Concept of Transaction Processing

The Concept of Transaction Processing. A Transaction: logical unit of database processing that includes one or more access operations (read -retrieval, write - insert or update, delete).

416 views • 22 slides

Query Optimization

Query Optimization. Ex.: SELECT DISTINCT Orders.Customer FROM Orders, Contains WHERE Orders.O_No = Contains.O_No AND Contains.Product = 'Brie' Assumptions: 100,000 tuples in Orders, 1000 bytes each

290 views • 21 slides

Concurrency Control by Timestamps

Concurrency Control by Timestamps. Ananth Gopal CS257 008020077. Index. 18.8.1 Timestamps 18.8.2 Physically Unrealizable Behaviors 18.8.3 Problems With Dirty Data 18.8.4 The Rules for Timestamp-Based Scheduling 18.8.5 Multiversion Timestamps 18.8.6 Timestamps Versus Locking.

357 views • 19 slides

CONCURRENCY CONTROL

234 views • 12 slides