A discussion - http://tech.groups.yahoo.com/group/agileDatabases/message/2222
Various discussion - http://tsql.ca/Events/PastEvents/200809AutomatedDatabaseDeployment/tabid/708/Default.aspx http://www.simple-talk.com/sql/database-administration/deploying-database-developments/ http://www.andrew-eells.com/database-versioning-framework/

Tools - http://secretgeek.net/dbcontrol.asp

http://www.infoq.com/articles/db-versioning-scripts