Transact SQL – Windowing Functions – Lag and Lead

Background Have used Windowing Functions for years now. But, never used Lag and Lead. Just thought it was too hard to layer on top of what was already hard for me.   Easy Finally today, I ended up dealing with something actually hard for me. A good man gracefully scaled it and he sprinkled in … Continue reading Transact SQL – Windowing Functions – Lag and Lead