Implicit function overloading

Bowled Over by SQL Window Functions

What better way to learn how to construct complex CHECK CONSTRAINTs, use the SQL 2012 window frame capability of the OVER clause and LEAD analytic function, as well as how to pivot rows into columns using a crosstab query? Create the SQL code to score Ten-pin Bowling, of course. Dwain Camps explains the how, what and why.