The most frequent causes of death from Werner Syndrome are heart attacks and cancer. It is not uncommon for affected individuals to develop multiple, rare cancers during their lifetime. People with Werner syndrome usually live into their late 40's or early 50's.
1 Answer. I am not a business analyst (I'm a software developer) but wil hazard a semi-educated guess: A requirement is something that is desired and fills a business need while a constraint limits choices to fit within an existing space. For example, a requirement might be something like: As a user, I must be able to enter the lengths of two adjacent sides of a rectangle and then click a single button to obtain the perimeter of that rectangle..
up vote 3 down vote. There are a lot of difference but One the most notable difference is that we can bind rules to a datatypes whereas constraints are bound only to columns. this feature enable us to create our own data-type with the help of Rules and get the input according to that.I have found a good example, check the following link.oughly speaking, a rule causes additional commands to be executed when a given command on a given table is executed. A constraint, as an example, can be used to ensure that a given number never matches some value. Such a birth year should not be under 1880 for new users registering or above the current year.