6-12 months? What? You must work in web frameworks... Your example, I assume, refers to SQL, which was first released in 1986. The absolute latest standard was

6-12 months? What? You must work in web frameworks... Your example, I assume, refers to SQL, which was first released in 1986. The absolute latest standard was released in 2011. The lingua franca to be proficient in say, Postgres, changes far slower than that.