SQL Query | Compare monthly sales with previous month, same month previous year, first month of year

In this video, we write a SQL to compare monthly sales - 1) With previous month 2) same month previous year 3) first month of year DataCamp SQL Associate Certification 👉 https://datacamp.pxf.io/3kZW5d This is what I recommend for getting job-ready fast. It's not just a course badge - it's a timed theory assessment plus a practical exam where you write real queries against real tables. The prep track covers everything in this video. Want more guided learning, practice packs, and deep-dive SQL content? You’ll find all of that in our premium courses here - https://knowstar.gumroad.com/ Please do not forget to like, subscribe and share. For enrolling and enquiries, please contact us at Website - https://knowstar.gumroad.com/ Facebook -   / knowstartrainings   Linkedin - https://www.linkedin.com/company/know... Email - learn@knowstar.org