SQL Tricks
Where 1=1
1=1 as first statement after where clause so that you can easily comment/uncomment (no need to add / remove "and" keyword having count(*) > 1 https://www.youtube.com/watch?v=_a7qa0pEhyE
Searching For "Duplicates" at a Specific Grain
https://www.youtube.com/shorts/6eBAvqURutI
Fill attributes that may be missing by using self join (to a distinct query)
Pk_ToDo: Create youtube short or video and post link here