Definition: One-to-one relationships occur when there is exactly one record in the first table that corresponds to exactly one record in the related table.
One-to-One Relationships
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.