[bironran]

Nice post, though for the indexing "introduction-deep-dive" I would still recommend newbies to look at https://use-the-index-luke.com/ .

[konfusinomicon]

also check out rick james's mysql documents http://mysql.rjweb.org/

I send those 2 links to coworkers all the time

[googletron]

Great resource! I have it linked as a reference!