Yes, for two years. I was a math major in undergrad, though, and I never had to do it for work. I've only worked on one database-backed application, and it used

Yes, for two years. I was a math major in undergrad, though, and I never had to do it for work. I've only worked on one database-backed application, and it used a NoSQL database. That's why I took this course while I'm in grad school.