How to apply a SUM operation without grouping the results in SQL? (2 Solutions!!)

How to apply a SUM operation without grouping the results in SQL? Helpful? Please use the *Thanks* button above! Or, thank me via Patreon: https://www.patreon.com/roelvandepaar! With thanks & praise to God, and with thanks to the many people who have made this project possible! | Content (except music & images) licensed under CC BY-SA https://meta.stackexchange.com/help/licensing | Music: https://www.bensound.com/licensing | Images: https://stocksnap.io/license & others | With thanks to user Wolph (stackoverflow.com/users/54017), user mattanja (stackoverflow.com/users/40853), user Luca (stackoverflow.com/users/284374), and the Stack Exchange Network (stackoverflow.com/questions/2381053). Trademarks are property of their respective owners. Disclaimer: All information is provided "AS IS" without warranty of any kind. You are responsible for your own actions. Please contact me if anything is amiss at Roel D.OT VandePaar A.T gmail.com