Share your insights and stories w/ me

Im looking for a career change. I currently work in retail merchandising and sale, I have no passion for it. I feel like I go in do a few task, once those are complete I sale. I don't earn bonuses or commission any more and they pay doesn't help anymore. This whole day I've been researching and I think learning SQL would help me find passion and improve my career status, plus the pay change is a nice bonus. I just want to be ready to have kids in the near future and MY LIFE AINT CUTTING IT.

After researching by watching videos reading reddit post and comments. Trying some free into courses, I think I found how I think may work, but I'm looking for opinions, stories, suggestions and anything you would say to your beginning self.

The course I believe would be great is

The Complete SQL Bootcamp: Go from Zero to HeroThe Complete SQL Bootcamp: Go from Zero to Hero- Jose Portilla

And the book

Practical SQL, 2nd Edition A Beginner’s Guide to Storytelling with Databy Anthony DeBarrosPractical SQL, 2nd Edition

Feel free to ask me questions Im looking to start learning as soon as Monday 1/27 I have 3 days off from work and don't really have any other obligations.