http://www.dbtalks.com/articles/Watch articles from DBTalks© 1999 - 2015 Mindcracker LLC. All Rights ReservedIn this article you will learn how to create , drop, disable and enable a primary key in Oracle with syntax and example.http://www.dbtalks.com/article/how-to-use-primary-key-in-oracle/5/31/2016 12:00:00 AMKartik Kumar