Definition: Database concurrency controls ensure that transactions occur in an ordered fashion. The main job of these controls is to protect transactions issued by different users/applications from the effects of each other. They must preserve the four characteristics of database transactions: atomicity, isolation, consistency and durability.
Concurrency
By Mike Chapple, About.com
Explore Databases
Must Reads
About.com Special Features
Stay connected and entertained with reviews on tips on the latest HDTVs, cellphones and more. More >
Easy ways to connect two computers for networking purposes. More >
©2009 About.com, a part of The New York Times Company.
All rights reserved.