Sunday, June 30, 2013

Web Development Process

"Scripting elements that are used to prototype solutions should migrate into tag libraries as part of the development process" -- on JSP scripting elements versus tag libraries. link

Wednesday, June 12, 2013

Denormalization

On the fallacy of it: http://www.dbdebunk.com/2013/03/normal-forms-dependent-on-dependencies.html
Shows the need to recognize Functional Dependencies even in time-based records such as invoices.

Tuesday, June 11, 2013

First Normal Form


The classic discussion point is "OK, so you have phone1, phone2 and phone3, so what happens if one customer has 4 phones?". If your design is vulnerable to such a point then it is not in 1NF. – Greenstone Walker May 6 at 1:52