Comment by pramodliv1

Listen to the SE Radio podcast episode on database evolution[0].

[0] https://www.se-radio.net/2012/06/episode-186-martin-fowler-a...

Also checkout the links from the show notes:

http://www.databaserefactoring.com/

http://www.martinfowler.com/articles/evodb.html

http://www.amazon.com/exec/obidos/ASIN/0321293533/agiledba-2...? creative=327641&camp=14573&link_code=as1

http://www.awprofessional.com/bookstore/product.asp?isbn=032...