SQL - INSTEAD OF vs. AFTER Triggers

Jamie King of Neumont University showing the difference between an INSTEAD OF trigger vs. an AFTER trigger.

[@liquid_absabs1334]

8 + years later..... thank you. This helped.

[@Mipan1991]

What if I want to check instead of inserting first check if there is a duplicate row, if so print there is a duplicate row??

[@madawacko258]

cool video mate